| Subject | English | Chinese |
| gen. | a matter of primary importance | 头等重要的事情 |
| shipb. | absorption of primary beam | 一次射线束的吸收 |
| tech. | arithmetic primary | 算术初等项 |
| tech. | basic primary operator control station | 基本主操作员控制台 |
| gen. | beam primary aerial system | 无反射器定向天线系统 |
| nautic., tech. | bilge primary tank | 舱底水预处理柜 |
| avia. | calibration factor of the primary device | 一次装置的校准系数 |
| avia. | center primary flight computer | 中央主飞行计算机 |
| tech. | chemically enhanced primary treatment method | 一级化学强化处理方法 |
| refrig. | chilled salt water system with primary-secondary pumps | 二次泵冷冻盐水系统 |
| gen. | chrominance primary | 基色信号 (刺激) |
| avia. | communication primary equipment | 通信主设备 |
| avia. | composite primary aircraft structure | 飞机复合材料主要结构 |
| avia. | composite primary structure | 复合一级结构 |
| securit. | custody of primary accounts | 一级账户托管 |
| securit. | designated primary market.maker | 指定初级造市商 |
| gen. | dipping coil primary means | 电磁式检测设备 |
| tech. | display primary | 显像三基色 |
| avia. | electrical primary flight control system | 初级飞行电控系统 |
| avia. | electro-hydraulic primary lock | 电子液压主锁 |
| tech. | extended primary operator control station | 扩充的基本操作员控制站 |
| tech. | extended primary operator control station | 扩充主操作员控制站 |
| avia. | flight control primary computer | 主飞行控制计算机 |
| tech. | forward-reverse primary transmission | 前进-倒退式主要传动 |
| tech. | fully connected primary satellite system | 全连主卫星系统 |
| tech. | fully connected single primary satellite system | 全连单用主卫星系统 |
| desert. | gross primary production | 总初级生产量 |
| desert. | gross primary productivity | 总初级生产率 (单位面积单位时间内光合作用生产有机物质的速度，单位g/(m² • a)) |
| refrig. | heat supply primary station | 供热首站 |
| gen. | higher primary ideal | 高准素理想 |
| gen. | in primary | 原绕组侧变压器的 |
| gen. | input primary | 原绕组入口变压器的 |
| gen. | inside primary | 原绕组内端变压器的 |
| gen. | International Primary Aluminium Institute | 国际原铝协会 |
| securit. | International Primary Markets Association | 国际集资市场协会 |
| securit. | International Primary Markets Association | 国际初级市场协会 |
| avia. | joint primary aircraft training system | 联合初级教练机系统 |
| avia. | left primary flight computer | 左侧主飞行计算机 |
| tech. | logic primary | 逻辑初等量 |
| securit. | market maker mechanism of primary dealers | 初级自营商的造市商机制 |
| tech. | method of primary treatment of sewage | 一级污水处理方法 |
| sport. | Mini Tennis is a fun and easy recreational sport, which is accessible for all primary school children regardless of physical ability and exercise background | 小型网球是一种简易而有趣的康体运动，适合不同体格及不同运动背景的小学生参加 |
| tech. | mixing of primary pigment colors | 色混合 |
| tech. | mixing of primary pigment colors | 原色颜料的混合过程 |
| tech. | mixing of primary pigment colors | 原色颜料的混合方法 |
| tech. | mixing of primary pigment colors | 混色 |
| tech. | mixing of primary pigment colours | 色混合 |
| tech. | mixing of primary pigment colours | 原色颜料的混合过程 |
| tech. | mixing of primary pigment colours | 原色颜料的混合方法 |
| tech. | mixing of primary pigment colours | 混色 |
| tech. | national interim primary and secondary standard | 国家暂行一级和二级标准 |
| tech. | National Interim Primary Drinking Water Regulations | 国家一级饮用水暂行法令 |
| tech. | National Interim Primary Drinking Water Standards of USEPA | 美国环境保护局国家一级饮用水暂行标准 |
| tech. | National Interim Primary Water Regulations | 国家暂行初级饮用水基本规程条例 |
| ecol. | national primary ambient air quality standard | 国家一级环境空气质量标准 |
| tech. | national primary ambient quality standard | 国家一级环境空气质量标准 |
| tech. | National Primary Drinking Water Regulations of USEPA | 美国环境保护局国家一级饮用水法令 |
| tech. | National Revised Primary Drinking Water Regulations of USEPA | 美国环境保护局国家一级饮用水修订法 |
| tech. | net primary production | 净植物性生产 |
| tech. | net primary production | 净第一性生产 |
| desert. | net primary production | 净初级生产量 |
| desert. | net primary productivity | 净初级生产力 (植物学中指总生产率 (gross primary productivity) 中减去植物呼吸消耗物质后所剩余的有机物质; 草原生产中指净初级生产率减去地下、地上不可食部分后可利用的饲用物质所含能量) |
| avia. | office of primary responsibility | 主担当 |
| avia. | office of primary responsibility | 主要责任室 |
| gen. | outside primary | 〔变压器〕原绕组外端 |
| tech. | percent primary air | 一次风百分率 |
| avia. | primary access terminal | 基本存取终端 |
| securit. | primary account | 初级账目 |
| avia. | primary actuator control electronics | 主激励器控制电子设备 |
| sport., med. | primary adhesion | 原发性粘连 |
| avia. | primary adhesively bonded structure technology | 基本的胶接结构技术 |
| ecol. | primary adsorption | 原生吸附 |
| sport., physiol. | primary afferent | 初级传入纤维 |
| nautic., tech. | primary air | 主燃空气 (main combustion air) |
| ecol. | primary air | 一次空气在参与燃烧的空气中，最初接触燃料，进行氧化反应的空气，称为一次空气 |
| nautic., tech. | primary air | —次风 |
| avia. | primary air | 主流 |
| avia. | primary air | 一次流 |
| avia. | primary air | 一次气流 |
| gen. | primary air force speciality | 空军主要专业 |
| avia. | Primary Air Force Specialty | 空军基本专业分类 (美国) |
| avia. | primary air force specialty code | 空军基本分类专业代码 |
| desert. | primary air pollutant | 原生空气污染 |
| desert. | primary air ratio | 一次风率 |
| refrig. | primary air supply | 一次送风 |
| avia. | primary aircraft assigned | 分配的基本飞机 |
| avia. | primary aircraft authorization | 基本飞机审定采购量 |
| avia. | primary aircraft authorization | 初级飞机核准 |
| avia. | primary aircraft training system | 初级教练机系统 |
| refrig. | primary airflow | 一次风 |
| refrig. | primary airflow | 一次气流 |
| nautic., tech. | primary alarming point | 主要报警点 |
| avia. | primary alarming system | 主要警报系统 |
| nautic., tech. | primary alarms | —级警报 |
| avia. | primary alert system | 主警报系统 |
| refrig. | primary ambient-air quality standard | 主要环境空气质量标准 |
| avia. | primary anti-air missile system | 主要的防空导弹系统 |
| nautic., tech. | primary application structure | 平台的主要构件 |
| nautic., tech. | primary application structure of column-stabilized units | 柱稳式平台的主要构件 |
| nautic., tech. | primary application structure of self-elevating units | 自升式平台的主要构件 |
| nautic., tech. | primary application structure of submersible units | 座底式平台的主要构件 |
| avia. | primary area | 主区 |
| avia. | primary area | 主飞区域 |
| avia. | primary area | 一次区域 |
| avia. | primary attitude good | 基本姿态良好 |
| avia. | primary attitude reference system | 主要姿态基准系统 |
| avia. | primary avionics control unit | 主航空电子控制装置 |
| nautic., tech. | primary barrier | 主防壁 |
| nautic., tech. | primary barrier | 主屏壁 |
| refrig. | primary barrier | 一级屏障 |
| securit. | primary beneficiary | 主要受益人 |
| securit. | primary beneficiary | 首先受益人 |
| avia. | primary body | 初生体 |
| avia. | primary body | 主天体 |
| avia. | primary bomb damage | 直接轰炸效果 |
| ecol. | primary branch | 一级枝条 |
| avia. | primary breech | 锁弹机 |
| nautic., tech. | primary bridge functions | 桥楼主要功能 |
| securit. | primary business activity | 主要经营活动 |
| gen. | primary canal-distributer | 干渠 |
| securit. | primary capital | 原始资本 |
| securit. | primary capital | 最初资本 |
| securit. | primary capital | 一级资本 |
| gen. | primary carburettor | 启动汽化器 |
| desert. | primary cause | 素因 |
| desert. | primary cause | 主因 |
| energ.ind. | primary cell | 原〔一次〕电池 |
| avia. | primary cell | 原电池 (一次性使用电池) |
| multimed. | primary channel | 主信道 |
| avia. | primary circulation | 初级环流 |
| avia. | primary circulation | 一次循环 |
| desert. | primary climax | 地带性顶极 |
| plast.surg. | primary closure | 一期缝合 |
| plast.surg. | primary closure | 原发闭合 |
| avia. | primary code modulation | 主代码变换 |
| avia. | primary code modulation | 原代码变换 |
| refrig. | primary coil | 第一级盘管 |
| gen. | primary coil | 初级〔一次，正，原〕线圈 |
| gen. | primary coil | 原〔初级，一次〕线圈 |
| radio.amat. | primary coil | 初级线圈 |
| desert. | primary colony | 原生群体 |
| desert. | primary colony | 原生集团 |
| multimed. | primary colors | 基色 |
| sport. | primary colours | 基原色 |
| avia. | primary combustion | 初步燃烧 |
| avia. | primary combustion | 预燃 |
| avia. | primary combustion | 初次燃烧 |
| gen. | primary commodities and manufactured goods | 初级产品和制成品 |
| desert. | primary community | 原生群落 |
| desert. | primary community | 初级群聚 |
| ecol. | primary community | 一次群落 |
| desert. | primary construction | 主结构 |
| desert. | primary consumer | 食草动物 |
| ecol. | primary consumer | 初级消费者 |
| avia. | primary contactor driver module | 〔客〕主电流接触器驱动器模块 |
| avia. | primary contactor driver system | 〔客〕主电流接触器驱动器系统 |
| nautic., tech. | primary container | 主容器 |
| avia. | primary control unit | 主控制装置 |
| gen. | primary control unit | 主要控制装置 |
| avia. | primary control valve | 主控制阀 |
| nautic., tech. | primary controls | 主控制器 |
| nautic. | primary coolant pump | 主冷却剂泵 |
| nautic. | primary coolant pump | 一次冷却剂泵 |
| avia. | primary coolant system | 主冷却系统 |
| poultr. | primary coverts | 主覆翼羽 |
| desert. | primary crack | 原生裂隙 |
| desert. | primary creep | 初次蠕动 |
| desert. | primary cyclone | 主气旋 |
| desert. | primary data source | 主要数据源 |
| avia. | primary data-user stations | 原始数据用户站 |
| securit. | primary dealer | 主要券商 |
| securit. | primary dealer | 公债交易商直接对政府债券认购的交易商 |
| securit. | primary dealer | 原始交易商 |
| securit. | primary dealer | 主要交易商 |
| securit. | primary dealer credit facility PDCF | 一级交易商信用工具美 |
| securit. | Primary Dealer Credit Facility | —级交易商信用工具 |
| securit. | Primary Dealer Credit Facility | 一级经纪商信贷工具美联储创建流动性注资工具 |
| securit. | primary dealer mechanism | 主要自营商机制 |
| securit. | primary dealer mechanism | 一级自营商机制 |
| securit. | primary debt | 主要债务 |
| nautic., tech. | primary deck coverings | —次甲板覆盖材料 |
| desert. | primary dedding | 原生层理 |
| shipb. | primary demand | 主要需求 |
| desert. | primary deposit | 原生矿床 |
| securit. | primary deposit | 基本存款 |
| avia. | primary description of change | 更改的主要说明 |
| desert. | primary design | 主要设计 |
| avia. | primary development model | 原始模型 |
| avia. | primary development model | 初始研制模型 |
| avia. | primary development model | 初始发展模型 |
| avia. | primary device | 一次装置 |
| avia. | primary display | 主显示器 |
| avia. | primary display function | 主显示功能 |
| avia. | primary display system | 主显示系统 |
| avia. | primary display system function | 主显示系统功能 |
| securit. | primary distribution | 原始销售 |
| securit. | primary distribution | 股票初次上市发行 |
| securit. | primary distribution | 证券首次发售 |
| nautic., tech. | primary distribution system | —次配电系统 |
| desert. | primary dolostone | 原生白云岩 |
| refrig. | primary drying | 一次干燥 |
| securit. | primary earnings | 原始盈利 |
| securit. | primary earnings | 主要盈利 |
| securit. | primary earnings per common share | 每普通股原始收益 |
| refrig. | primary efficiency air filter | 初效空气过滤器 |
| avia. | primary ejection control | 弹射操纵机构 |
| avia. | primary electrical distribution management unit | 主电气配置管理装置 |
| avia. | primary electrical power distribution center | 〔客〕主电源配置中心 |
| sport., psychol. | primary emotion | 基本情绪 |
| ecol. | primary energy | 天然能源 |
| ecol. | primary energy | 一次能源从自然界直接开采利用的煤炭、石油、天然气、木材、水力、原子能、风力、潮汐、太阳能及地热等能源，统称为一次能源，又称天然能源 |
| ecol. | primary energy | ——次能源 |
| ecol. | primary energy demand | 一次能源需求 |
| refrig. | primary energy ratio | 一次能源能效比 |
| ecol. | primary energy resources | ——次能源 |
| ecol. | primary energy resources | 天然能源 |
| ecol. | primary energy source | 一次能源从自然界直接开采利用的煤炭、石油、天然气、木材、水力、原子能、风力、潮汐、太阳能及地热等能源，统称为一次能源，又称天然能源 |
| ecol. | primary energy source | 天然能源 |
| desert. | primary enrichment | 初始富化 |
| comp. | primary entry point | 一次人口点 |
| comp. | primary entry point | 初始人口点 |
| nautic., tech. | primary essential services | 主重要设备 |
| securit. | primary exchange | 主交易所 |
| ecol. | primary exposure limiting value | 一次接触限值指在生产车间的空气中，所含有毒物质的一次偶然性接触的高峰容许浓度，称为一次接触限值 |
| avia. | primary external power contactor | 主外电源接触器 |
| sport., med. | primary extinction | 原发性消退 |
| desert. | primary extinction effect | 原生灭绝效应 |
| avia. | primary failure | 独立失效 |
| nautic., tech. | primary filter | 粗滤器 |
| refrig. | primary filter | 粗过滤器 |
| avia. | primary flight computer | 主飞行计算机 |
| avia. | primary flight computers | 主飞行计算机 |
| avia. | primary flight control electronic system | 主飞行控制电子系统 |
| avia. | primary flight control system | 主飞行操纵系统 |
| avia. | primary flight control system | 主飞行控制系统 |
| avia. | primary flight control unit | 主飞行控制组件 |
| avia. | primary flight controls | 主飞行操纵 |
| avia. | primary flight controls | 主飞行控制器 |
| avia. | primary flight director | 主飞行指引仪 |
| avia. | primary flight display | 垂直状态显示仪 |
| avia. | primary flight display | 主飞行显示器 |
| avia. | primary flight display function | 主飞行显示功能 |
| avia. | primary flight display system | 主飞行显示系统 |
| avia. | primary flight display unit | 主飞行显示装置 |
| avia. | primary flight ice detector system | 主飞行结冰探测系统 |
| avia. | primary flight-control electronic system | 主飞行控制电子系统 |
| poultr. | primary flights | 主翼羽 |
| refrig. | primary fluid | 一次流体 |
| gen. | primary flying training school | 初级飞行训练学校 |
| desert. | primary fracture | 初始断裂 |
| nautic., tech. | primary frame spacing | 主要骨架间距 (m) |
| desert. | primary front | 主锋 |
| ecol. | primary function | 基〔原〕函数 |
| ecol. | primary function | 主要功能 |
| avia. | primary glider | 初级滑翔机 (结实而简单的，不具备翱翔能力) |
| securit. | primary government securities dealer | 政府证券主交易商 |
| desert. | primary growth | 初生生长 |
| desert. | primary growth | 头槎 (草) |
| avia. | primary guidance, navigation and control system | 初级制导、导航与控制系统 |
| ecol. | primary healthy care | 初级卫生保障 |
| avia. | primary heat exchanger | 初级换热器 |
| avia. | primary heat exchanger | 主热交换器 |
| avia. | primary heat exchanger | 初级热交换器 |
| refrig. | primary heat pump | 一次热泵 |
| nautic., tech. | primary holes | 主燃孔 |
| bridge. | primary honors | 高级大牌 |
| desert. | primary host | 第一寄主 |
| sport., med. | primary hypertension | 高血压病 |
| sport., med. | primary hypertension | 原发性高血压 |
| avia. | primary hypocapnia | 原发性缺二氧化碳 |
| avia. | primary ice detection system | 主防冰系统 |
| sport., psychol. | primary impression | 第一印象 |
| comp. | primary index | 主要指数指甘蔗叶鞘总糖分指数甘蔗 |
| comp. | primary index | 主下标 |
| comp. | primary index | 主索引 |
| securit. | primary industry | 基础产业 |
| avia. | primary in-flight ice detector system | 主飞行结冰探测系统 |
| securit. | primary input | 原始投人 |
| securit. | primary input | 初期投人 |
| securit. | primary insider | 原始内幕人 |
| securit. | primary instrument | 初级工具 |
| avia. | primary instruments | 主仪表 |
| securit. | primary investment | 高质量投资 |
| securit. | primary investment | 高收益投资 |
| comp. | primary key | 主键码 |
| multimed. | primary key | 主键 |
| med. | primary lactose intolerance | 原发乳糖不耐受性 |
| desert. | primary landslide | 主要滑坡 |
| multimed. | primary language identifier | 主语言标识符 |
| securit. | primary liability | 直接责任 |
| securit. | primary liability | 首要责任 |
| securit. | primary liability on bill of exchange | 汇票的主要责任 |
| comp. | primary library | 主库 |
| avia. | primary life support system | 生命支援主系统 |
| desert. | primary limiting factor | 主导制约因素 |
| desert. | primary lineation | 原生线条 |
| securit. | primary listing | 第一次上市 |
| securit. | primary listing | 首次上市 |
| desert. | primary low | 主低压 |
| sport., physiol. | primary lung volume | 基本肺容量 |
| avia. | primary maintenance process | 主维修工艺 |
| avia. | primary maintenance process | 基本维修工艺 |
| securit. | primary market | 发行市场初级市场 |
| securit. | primary market database | 一级市场上市公司数据库 |
| securit. | primary market database | 一级市场数据库 |
| securit. | primary markup | 首次加价 |
| ecol. | primary maximum allowable concentration | 一次最高容许浓度 |
| ecol. | primary maximum tolerance concentration | 一次最高容许浓度指任何一次短时间内采样测定的在容许范围内的最高值的浓度，称为一次最高容许浓度 |
| securit. | primary means | 主要方式 |
| avia. | primary member | 基本构件 |
| avia. | primary member | 主要构件 |
| sport., physiol. | primary memory | 第一级记忆 |
| sport., psychol. | primary mental ability | 主要心理能力 |
| comp. | primary menu | 主菜单 |
| soil. | primary mineral | 原生矿物 |
| soil. | primary minerals | 原生〔未氧化的〕矿物 |
| avia. | primary mission readiness | 主要任务准备状态 |
| comp. | primary modem | 主调制解调器 |
| securit. | primary month futures | 基本月期货 |
| CNC | primary motion | 主运动 |
| sport., physiol. | primary motor area | 主运动区 |
| desert. | primary mountains | 原始岩 |
| securit. | primary movement | 重大变化 |
| securit. | primary movement | 大趋势 |
| securit. | primary movement | 主要趋势 |
| avia. | primary multi-function display | 主多功能显示器 |
| sport., med. | primary muscular dystrophy | 原发性肌营养不良 |
| avia. | primary navigation and guidance system | 初始导航与制导系统 |
| avia. | primary navigation display | 主导航显示 (导航数据的综合显示。除了提供基本数据,如航向、空速和高度外,它能够提供:①全罗盘方位刻度环模式或部分模式中的甚高频全向无线电信标 (VOR )径向和航向偏差指示。②进近模式中的航向信标偏差、下滑道偏差、测距设备 (DME)、空管与防撞系统 (TCAS )数据以及气象雷达输出。③计划模式中的对于航路指示和 TCAS 数据。④地图模式中的航向、航路点、估计到达时间 (ETA )和气象雷达信息) |
| avia. | primary navigation display | 主导航显示器 |
| avia. | primary navigation display system | 主导航显示系统 |
| avia. | primary navigation, guidance and control system | 初始导航、制导与控制系统 |
| avia. | primary navigation reference | 导航基准参考 |
| sport., psychol. | primary need | 基本需要 |
| sport., med. | primary neurons | 主要神经元 |
| avia. | primary nozzle | 喷嘴的主喷油孔 |
| biol. | primary nursery | 初级的幼体培育设施 |
| desert. | primary nutrient | 主要养分 |
| securit. | primary objective | 主要目标 |
| securit. | primary offering | 首次发行 |
| securit. | primary offering | 初次售出 |
| securit. | primary offering | 证券原始发行 |
| gen. | primary operating system | 基本操作系统 |
| plast.surg. | primary operation | 初次手术 |
| avia. | primary operation system | 主操作系统 |
| desert. | primary ore | 原生矿石 |
| geol. | primary orthoclase | 原生正长石 |
| sport., med. | primary osteoporosis | 原发性骨质疏松症 |
| gen. | primary outlet | 长途电话中心局 |
| gen. | primary outlet | 【电】初级引出线 |
| gen. | primary outlet | 第一个出口 |
| comp. | primary output | 初级输岀 |
| ecol. | primary packaging | 初级包装 |
| soil. | primary particle | 单粒 |
| desert. | primary particle | 原生颗粒 |
| ecol. | primary particle | 一次颗粒物 |
| multimed. | primary partition | 主分区 |
| desert. | primary peneplain | 始准平原 |
| sport., psychol. | primary personality | 主要个性 |
| desert. | primary pest | 主要害虫 |
| desert. | primary phloem | 初生韧皮部 |
| desert. | primary phloem fiber | 初生韧皮纤维 |
| desert. | primary phytocoenosium | 原生植物群落 |
| ecol. | primary pollutant | 一次污染物指直接危害环境的污染物质，称为一次污染物 |
| ecol. | primary pollution | 一次污染从生产或生活各污染源向大气、水域或土壤中排放污染物质，能直接造成污染，从而对生物及物体产生危害，称为一次染污 |
| geol. | primary pore | 原生孔隙 |
| soil. | primary porosity | 原生孔隙 |
| desert. | primary producer | 初级生产者 |
| desert. | primary production | 第一性生产 |
| ecol. | primary production | 初级生产 |
| desert. | primary productivity of biomass | 生物量初级生产力 (草地、牧草的地上部分总产量、或植物地上地下生产能力的总称) |
| desert. | primary productivity of rangeland | 草地初级生产力 |
| refrig. | primary pump air conditioning water system | 一次泵空调水系统 |
| securit. | primary purpose | 主要目的 |
| avia. | primary radar | 主要雷达 |
| avia. | primary radar | 次雷达 |
| avia. | primary radar | 一次雷达 (仅仅依靠发射电磁波,从目标反射的雷达。一次雷达以距离和方位角来指示目标位置。也可以用它指示高度。然而，一次雷达不能给出其他用于识别的信息，因为它不包含应答机数据。一次雷达的作用范围取决于发射能量及反射物体和脉冲重复频率 (PRF )的特性) |
| desert. | primary rainbow | 主虹 |
| ecol. | primary rangeland | 原生草地 |
| desert. | primary record | 原始资料 |
| avia. | primary reference fuel | 基础燃油 |
| gen. | primary-reference-fuel | 正标准燃料 |
| gen. | primary-reference-fuel | 第一参比燃料 |
| nautic., tech. | primary refrigerant | 制冷剂 |
| securit. | primary regulator | 主要监督机构 |
| shipb. | primary relay | 一次性继电器 |
| sport., physiol. | primary relay nuclei | 初级感觉接替核 |
| avia. | primary remanent magnetization | 原生剩余磁化 |
| securit. | primary reserve | 首要准备金 |
| shipb. | primary reserve | 主要储备 |
| securit. | primary reserve | 基本准备金 |
| sport., physiol. | primary response | 主反应 |
| securit. | primary risk | 基本风险 |
| desert. | primary rock | 原始岩 |
| desert. | primary root | 初生根 |
| avia. | primary runway | 主跑道 (凡条件允许，比其他跑道优先使用的跑道。通常,主跑道被指定为仪表跑道) |
| desert. | primary saline soil | 原生盐土 |
| nautic., tech. | primary sample | 初始样品 |
| nautic., tech. | primary sample | 初始样本 |
| pack. | primary seal | 初级密封〔封闭，封液〕 |
| pack. | primary seal | 主密封 |
| pack. | primary seal | 原密封 |
| nautic., tech. | primary securing devices | 主紧锁装置 |
| securit. | primary securities market | 一级证券市场 |
| desert. | primary sedimentary structure | 原始沉积构造 |
| ecol. | primary sedimentation tank | 初次沉淀池 |
| comp. | primary segment | 主段 |
| desert. | primary sere | 原生演替系列 |
| multimed. | primary service area | 主服务区 |
| securit. | primary share | 基本股 |
| securit. | primary share | 原始股 |
| bot. | primary shoot | 初生茎 |
| bot. | primary shoot | 初生苗 |
| desert. | primary slack | 湿丘间凹地 (西欧海岸沙丘地区) |
| desert. | primary slack | 原始丘间凹地 |
| ecol. | primary sludge | 一次污泥指初沉池的污泥 |
| desert. | primary soil | 原生土 |
| sport., med. | primary spindle afferent fibre | 肌梭初级传入纤维 |
| securit. | primary sponsor | 主要赞助人 |
| avia. | primary stability augmentation system | 主增稳系统 |
| avia. | primary stabilizer trim actuator | 主稳定器配平作动器 |
| refrig. | primary stage | 初阶段 |
| avia. | primary standard | 原标准器 |
| avia. | primary standard | 标准原器 |
| ecol. | primary standard material | 一级标准物质 |
| desert. | primary steppe | 原生草原 (在第三纪中新世(2500万年前)出现的最早的大面积草原) |
| desert. | primary steppe | 初始草原 |
| securit. | primary steps | 主要步骤 |
| securit. | primary stock market | 原始股市场 |
| securit. | primary stock market | 股票发行市场 |
| securit. | primary stock market | 初级股票市场 |
| multimed. | primary storage | 主存储器 |
| desert. | primary stress | 初始应力 |
| nautic., tech. | primary stress | 主应力初应力 |
| avia. | primary principal structural element | 主要结构元件 |
| nautic., tech. | primary structural member | 主要构件 |
| sport., med. | primary structure | 一级结构 |
| desert. | primary structure | 原始构造 |
| avia. | primary structure | 主结构 (飞机结构，它的失效将会严重地威胁到飞机的安全。它包括机身、机翼、控制面和发动机架) |
| avia. | primary structure | 主要构造 |
| desert. | primary succession | 原生演替 |
| nautic., tech. | primary suit closure immersion suit | 衣服的主要外罩救生服 |
| nautic., tech. | primary support members | 主要支撑构件 |
| avia. | primary surface | 主表面 (有关跑道的纵向居中的矩形面。它的宽度是可变的，当跑道有特别准备的硬表面时，它通常都在每一个跑道端外延伸200 ft (60m )。而当跑道没有特别准备的或计划的硬表面时，主表面就在跑道的每一端结束。在主表面上的任何一点的高程与跑道中心线或延长线的最靠近点的高程相一致) |
| refrig. | primary surface area | 基元表面积 |
| nautic., tech. | primary surface preparation | —次表面处理 |
| avia. | primary surveillance radar | 一次监视雷达 |
| desert. | primary sward | 初生草丛 |
| desert. | primary sward | 初生草层 |
| shipb. | primary switchboard | 一次配电盘 |
| shipb. | primary switchboard | —次配电盘 |
| avia. | primary system | 〔客〕主要系统 |
| avia. | primary system safety assessment | 初步系统安全性评估 |
| avia. | primary target | 初始目标 |
| geol. | primary target | 主目标 |
| avia. | primary taxiway system | 主滑行道系统 (飞机从跑道进人停机坪、登机门以及服务区的滑行道) |
| avia. | primary technical leaflet | 技术简介 |
| avia. | primary temperature control valve | 一级温度控制阀 |
| avia. | primary trainer | 初级教练机 |
| avia. | primary training | 初级训练 |
| sport., med. | primary transcript | 初级转录物 |
| desert. | primary transcripts | 初级转录产物 |
| avia. | primary transfer media | 主要传递媒质 |
| securit. | primary trend | 主要趋势 (技术分析) |
| securit. | primary trend | 基本走势 |
| bridge. | primary tricks | 根本赢墩 |
| desert. | primary tundra | 原生冻原 |
| securit. | primary underwriter | 主承销商 |
| ecol. | primary unit | 初级［处理］设备 |
| comp. | primary unit | 主单元 |
| avia. | primary valve | 根部阀 |
| ecol. | primary vegetation | 原生植被 (vegetatio primaria) |
| securit. | primary venue | 初始交易场所 |
| securit. | primary venue | 主要交易场所 |
| sport., med. | primary visual cortex | 主要视觉皮质中枢 |
| desert. | primary water | 原生水 |
| avia. | primary wave | 一次波 |
| gen. | primary wave | P 波 |
| pack. | primary wrapping | 初级包装 |
| desert. | primary xylem | 初生木质部 |
| securit. | rate of payment to primary inputs | 最初投人支付率 |
| gen. | reduced primary concentrate | 预还原产品铁精矿直接还原产品 |
| avia. | right primary flight computer | 右主飞行计算机 |
| nautic., tech. | ship's primary movement | 船舶的主要运动 |
| tech. | single-compound primary explosive | 单质起爆药 |
| nautic., tech. | span of a primary supporting member with end brackets | 具有端部肘板的主要构件的跨距 |
| nautic., tech. | span of a primary supporting member without end bracket | 无端部肘板的主要构件的跨距 |
| nautic., tech. | span of ordinary stiffener or primary supporting member 1m | 普通扶强材或主要支撑构件的跨距 |
| desert. | subxerophilous primary forest | 石南林 (由杜鹃花科帚石南属 (Colluna)、欧石南属 (Erica)、熊果属 (Arctostaphylos)、乌饭属 (Vaccinium) 一些常绿灌木和小灌木占优势的灌木林。虽分布在海洋性气候区，但由于风大，表现有旱生结构，如小叶、叶缘外翻、气孔内陷、叶槽有毛等) |
| desert. | subxerophilous primary forest | 亚旱生原始林 |
| gen. | The approved I-20 is just one piece of information the interviewing officer must consider when deciding whether a visa may be issued. Student visas may be refused if it appears that the applicant's primary purpose of travel is not to attain an education | 被批准的 I-20 表格只是签证官决定是否颁发签证要考虑的因素之一。如果申请人的总体情况显示其赴美的主要目的不是学习，那他的学生签证申请就可能被拒 |
| gen. | Though cups and plates remain the primary field of ceramic use, these common utensils can be very artistic | 虽然杯子与碟子仍然是陶瓷的主要用途，但这些日常用品能够做得十分艺术 |
| sport., physiol. | three primary colors | 三原色 |
| gen. | tuned-primary | 初级电路调谐的 |
| avia. | variable primary nozzle | 可调截面主喷管 |
| tech. | variance between primary sample units | 初级抽样单位间的方差 |
| tech. | variance within primary sample units | 初级抽样单位内的方差 |
| tech. | volume factor of crude at the primary pressure | 原始压力下原油体积系数 |
| gen. | zinc primary battery | 锌原电池 |
| gen. | zoning of primary halo | 厚生晕的分带 |
