| Chinese | English |
| chart一tooling 对比放大图---------工具制造用 | comparator (是绘制在质地稳定的绘图胶片上的放大图。绘出了车刀或铣刀的尺寸外形构造线，供光学投影仪以影像投影的方法验证该刀具的精度) |
| chart一production 对比放大图——生产用 | comparator (是绘制在质地稳定的绘图胶片上的放大图。图中绘出了精密机加零件的尺寸、外形结构，供投影比较仪用光学投影仪器投影像来验证该零件的精度) |
| 不成比例的热解 | disproportionate pyrolysis |
| 与动压成正比的操纵感力 | Q-feel |
| 中间比例模型 | mesoscale model |
| 临界比容 | critical specific volume |
| 临界比容比 | critical specific volume ratio |
| 临界温比 | critical temperature ratio |
| 主检比对 | main check comparison |
| 乙炔比 | acetylene ratio |
| 互相对比 | intercomparison |
| 交流电压比 | alternating current voltage ratio |
| 从费效比考虑的设计折中办法 | cost-effectiveness trade-off |
| 仪表对比监控器 | instrument comparison monitor |
| 仰角与振幅比较关系 | elevation versus amplitude |
| 操纵机构的传动比 | advantage |
| 伸张面积比 | expanded area ratio |
| 低比特率数字用户线 | low bit-rate digital subscriber line |
| 低比特率语音 | low bit rate voice |
| 低比重 | hypobarism |
| 低放射性比度辐射材料 | low specific activity radioactive material |
| 体积比 | volume to volume |
| 体视比较仪 | stereo comparator |
| 体重比 | weight ratio |
| 余气比 | excess air ratio |
| 使与…对比 | contrast |
| 信号比较 | signal comparison |
| 信号串话比 | signal to crosstalk ratio |
| 信号噪声比 | signal to noise ratio |
| 信号噪声比 | signal/noise ratio |
| 信号噪声比指示器 | signal-to-noise indicator |
| 信号噪声功率比 | power signal-to-noise ratio |
| 信号多径比 | signal to multipath ratio |
| 信号干扰比 | signal interference ratio |
| 信号背景比 | signal-to-background ratio |
| 信噪比 | signal-to-noise ratio (电路中选定一点的信号功率与噪声功率的比值。它通常表达为信号与噪声振幅的均方根之比，用以衡量数据源或数据传送链路的清晰程度。信噪比越高，接收时的干扰越小) |
| 信噪比 | ratio signal-to-noise ratio (电路中选定一点的信号功率与噪声功率的比值。它通常表达为信号与噪声振幅的均方根之比，用以衡量数据源或数据传送链路的清楚度。信噪比越高，接收时的干扰越小) |
| 信扰比 | signal interference ratio |
| 先进的推进装置对比研究 | advanced propulsion comparison study |
| 光信噪比 | signal-to-noise ratio for optics |
| 光反射比 | optical reflectance |
| 光学比较样板 | optical comparator template |
| 光学对比导引头 | optical contrast seeker |
| 光学对比激光跟踪分系统 | contrast optical laser tracking subsystem |
| 光学对比激光跟踪子系统 | contrast optical laser tracking subsystem |
| 光谱比较图形识别器 | spectral comparative pattern recognizer |
| 光谱比辐射率 | spectral emissivity |
| 克分子比 | mole-fraction |
| 克分子比率 | molar ratio |
| 全比例 | fullscale |
| 共态抑制比 | common mode rejection ration |
| 内外压缩比 | pressure ratio between inner channel and the outer compression system |
| 内外径比 | diameter ratio |
| 冲量比 | specific impulse |
| 利用比 | operating ratio |
| 制动比压 | brake pressurize |
| 飞机螺旋桨的前进比 | advance/diameter ratio |
| 功率与迎风面积之比 | power-frontal area ratio |
| 功率输出输入比 | power ratio |
| 功率重量比 | power weight ratio |
| 功重比 | power weight ratio |
| 功重比 | power to weight ratio |
| 加力比 | augmentation ratio |
| 客加州跑道面承载比 | California bearing ratio |
| 加温比 | temperature rise ratio |
| 加速度比 | acceleration ratio |
| 动力失效速度比 | power-failure speed ratio (在飞机的重量和跑道尺寸给定的情况下，决断速度 “V₁”与抬前轮速度“Uᵣ”的比值。与抬前轮速度无关的飞机使用 V₁/V₂ 作为飞机性能数据的图形表示) |
| 动力学比例尺度 | dynamic scale |
| 动压比 | dynamic pressure ratio |
| 动量比 | momentum ratio |
| 动量通量比 | momentum flux ratio |
| 化学计算混合比 | stoichiometric mixture ratio |
| 匝数比 | turn ratio |
| 千比特/秒计千位/秒 | kilo bits per second |
| 升力阻力比 | lift-to-drag |
| 升推比 | augmentation ratio |
| 升阻比 | lift- drag ratio |
| 升阻比 | lift-to-drag |
| 升阻比 | lift drag rate |
| 升阻比 | lift-to-drag ratio |
| 升阻比 | lift-over- drag ratio |
| 升阻比 | drag ratio |
| 单比特错误 | single bit error |
| 印刷对比刻度 | print contrast scale |
| 压力比 | pressure proportion |
| 压力比传感器 | pressure ratio sensor |
| 压力比引气控制 | pressure ratio bleed control |
| 压力比指示器 | pressure ratio indicator |
| 压力比控制 | pressure ratio control |
| 压力比调节器 | oxygen pressure ration regulator |
| 压强比 | pressure ratio |
| 压缩机增压比 | compressor pressure ratio |
| 厚度-翼弦比 | thickness-chord ratio |
| 厚弦比 | thickness ratio |
| 参比信号 | reference signal |
| 双比特 | dibit |
| 双涵道空气流量比 | by-pass ratio |
| 双涵道空气流量比 | bypass ratio |
| 反比叠加 | diversity stack |
| 发动机压比 | engine pressure ratio |
| 发动机压力比 | engine pressure ratio (涡轮发动机排气压力与压缩机进口的压力之比，这个比值显示了涡轮发动机产生推力的大小) |
| 客发动机压力比下降 | EPR. D EPR |
| 发动机压力比传输 | engine pressure ratio transmitter |
| 发动机压力比分布图 | profile EPR |
| 发动机压力比系统 | engine pressure ratio system |
| 发动机压力比调准 | EPR trim |
| 发动机增压比 | engine pressure ratio |
| 发动机质量比 | motor mass fraction |
| 变比热容 | variable specific heat capacity |
| 变传动比机构 | variable drive ratio mechanism |
| 口径比 | relative aperture |
| 可比性能 | comparable performance |
| 可变比 | variable specific |
| 可变比值的 | variable ratio |
| 可变面积、变后略角、变弯度与展弦比 | variable area, sweep, camber and aspect ratio |
| 可控压比发动机 | controlled operating pressure engine |
| 可缩比性 | scalability |
| 可随动态重新部署配置的防御系统量程与阈值之比 | dynamic reconfiguration |
| 吃气式风洞能量比 | energy ratio of blowdown tunnel |
| 含氧百分比 | percentage of oxygen |
| 吸收-发射比 | absorption-emission ratio |
| 告警信息比较 | warning information correlation |
| 哥伦比亚号 | Columbia |
| 哥伦比亚国家航空公司 | Avianca (Aerovias Nacionales De Colombia, S. A.) |
| 哥伦比亚地球站 | earth station Colombia |
| 哥伦比亚坦帕货运航空公司 | Tampa Airlines SA |
| 哥伦比亚广播公司 | Columbia Broadcasting Systems Inc. |
| 哥伦比亚广播系统 | Columbia broadcasting system |
| 哥伦比亚辐射研究所 | Columbia Radiation Laboratory |
| 啁啾与功率比 | chirp-to-power ratio |
| 喉通面积比 | throat to port area ratio |
| 喷嘴的长径比 | nozzle of length-to-diameter ratio |
| 喷嘴面积比 | nozzle area ratio |
| 喷管潜入比 | submergence ratio of nozzle |
| 喷管膨胀比 | nozzle pressure ratio |
| 喷管面积扩张比 | nozzle area expansion ratio |
| 喷管面积收缩比 | nozzle area contraction ratio |
| 回力比 | feedback ratio |
| 地址比较寄存器 | address compare register |
| 地形比较 | terrain comparison |
| 垂直分离比 | vertical separation ratio |
| 埃塞俄比亚航空公司 | Ethiopian Airlines |
| 增压比 | pressure ratio of compressor |
| 增压比 | compressor pressure ratio |
| 大比重燃油 | high density fuel |
| 大气透射比 | atmospheric transmittance |
| 大长宽比 | high aspect ratio |
| 定压比热 | constant-pressure specific heat ("定压比热"为旧称，在国标中其已改为"比定压热容"，对应英文为 specific heat capacity at constant pressure) |
| 定压比热② | constant-pressure specific heat ("定压比热"为旧称，在国标中其已改为"比定压热容"，对应英文为 specific heat capacity at constant pressure) |
| 定容比热 | constant-volume specific heat ("定容比热"为旧称，在国标中其已改为"比定容热容"，对应英文为 specific heat capacity at constant volume) |
| 定容增压比 | pressure ratio at constant volume |
| 实际发动机压力比 | engine pressure ratio actual |
| 室内注入剂密度比 | chamber-to-injectant density ratio |
| 容积比 | volume to volume |
| 宽比 | width ratio |
| 密封压力比 | seal pressure ratio |
| 密度比冲 | density specific impulse |
| 密度百分比 | density percent |
| 尖头回波扫探比 | blip-scan ratio |
| 机翼或其他翼面的尖根比 | taper |
| 尖速比 | tip-speed ratio |
| 尺寸比例系数 | scale factor |
| 尾喷管压力比 | nozzle pressure ratio |
| 展弦比 | aspect ratio (机翼翼展和弦长的比值。展弦比又可表示为机翼翼展的平方和机翼面积的比值。展弦比=翼展的平方/机翼面积=翼展/弦长=翼展×弦长/弦长平方=机翼面积/弦长平方。增大展弦比，可以改善飞机的上升性能，提高静升限。现代亚声速运输机的展弦比达11左右，跨声速轰炸机展弦比7左右,超声速战斗机的展弦比常在3以下) |
| 展弦比 | fineness ratio |
| 展弦比 | chord ratio |
| 峰值信号噪声比 | peak signal-to-noise ratio |
| 峰-谷比 | peak-to-valley ratio |
| 巡航状态压缩机压力比 | cruise compressor pressure ratio |
| 巴比特巴氏合金 | Babbit metal |
| 巴比特合金 | Babbitt metal |
| 常平架传动比 | gimbal gain |
| 常数涵道比 | constant bypass ratio |
| 幅值比例尺 | magnitude scale factor |
| 平均比热容 | average specific heat capacity |
| 平均叶宽比 | mean blade width ratio |
| 平均当量比 | average equivalence ratio |
| 平均误差比特率 | average bit error rate |
| 平方反比律 | inverse square aw |
| 底片比例尺 | plate scale |
| 引气压力比控制 | pressure ratio bleed control |
| 弹簧比率 | spring rate |
| 归航比较仪 | homing comparator unit |
| 当量比 | equivalent ratio |
| 当量比扰动 | equivalence ratio perturbation |
| 当量比振动 | equivalence ratio oscillation |
| 当量比范围 | equivalence ratio range (区间) |
| 当量燃料比耗 | equivalent specific fuel consumption |
| 形成合理比例的 | balanced |
| 性能比 | performance ratio |
| 性能价格比 | performance/ cost ratio |
| 性能价格比指标 | cost performance index |
| 总桨叶宽度比 | total blade-width ratio |
| 恒比鉴别器 | constant-fraction discriminator |
| 恰当的和实际的油气比的比值 | equivalent ratio |
| 恰当的和实际的油气比的比值 | equivalence ratio |
| 悬臂比 | cantilever ratio |
| 慢车状态发动机压力比指令 | EPR command at an idle condition |
| 成对比较 | pairwise comparison |
| 战术战术轰炸比赛 | tactical bombing competition |
| 战术轰炸比赛 | tactical bombing competition |
| 所需干扰/信号比 | jam/signal ratio required |
| 客扇涡轮压力比 | turbofan pressure ratio |
| 扩压比 | pressure ratio |
| 扩散器的面积比 | diffuser of area ratio |
| 抵消比 | cancellation ratio |
| 指令发动机压力比 | engine pressure ratio command |
| 按比例放大或缩小的 | scaled |
| 按比例增加 | scale-up |
| 按比例复制 | scale |
| 捕获比 | capture ratio |
| 客排气压力比 | exhaust pressure ratio |
| 推力重量比 | thrust weight ratio |
| 推力比面板 | thrust rating panel |
| 推力比面板 | thrust rate panel |
| 推力与重量之比 | thrust-to-weight ratio |
| 推力增大比率 | thrust augmentation ratio |
| 推力百分比表 | percentage-thrust indicator |
| 推力-重量比 | thrust to weight ratio |
| 推进剂比消耗率 | specific propellant consumption |
| 推重比 | thrust to weight ratio |
| 推重比 | thrust-to-weight ratio |
| 推重比 | thrust/weight ratio |
| 摩尔比热 | molar specific heat |
| 摩尔比率 | molar ratio |
| 收敛比 | contraction ratio |
| 旋磁比 | gyro magnetic ratio |
| 旋翼入流比 | rotor inflow ratio |
| 旋翼前进比 | rotor advance ratio |
| 最低对比度 | threshold contrast |
| 最大比冲量 | maximum specific impulse |
| 最大升阻比 | maximum lift-to-drag ratio |
| 最大局部等价比率 | maximum local equivalence ratio |
| 最大起飞状态的发动机压力比 | engine pressure ratio of maximum take off |
| 最大连续状态的发动机压力比 | engine pressure ratio of maximum continuous |
| 有效当量比 | effective equivalence ratio |
| 有效收缩比 | effective contraction ratio |
| 有效等值比 | effective equivalence ratio |
| 有效载荷比 | payload ratio |
| 有效载重量与车重之比 | payload fraction |
| 有效锥度比 | effective contraction ratio |
| 有限三体问题雅科比积分 | Jacobi's integral of restricted three-body problem |
| 未按比例 | not to scale |
| 机射长细比 | fuselage fineness ratio |
| 一个单位中机组人数与飞机数之比 | crew ratio |
| 机翼根梢比 | wing taper ratio |
| 杀伤比率 | kill ratio |
| 构型比对 | configuration comparision |
| 柯尔伯恩比拟 | Colburn analogy |
| 核心发动机百分比转速 | core engine RPM on percent |
| 根梢比 | taper ratio |
| 根梢比 | taper |
| 梢根比 | chord of tip/chord of root |
| 模型比例因子 | model scale factor |
| 模型比例尺转子 | model-scale rotor |
| 模型阻塞比 | model blockage |
| 模式比 | mode ratio |
| 次要功比值 | secondary energy ratio |
| 正常冲击密度比 | normal shock density ratio |
| 比.... 优先 | precede |
| 比例关系 | scaling relation |
| 比例加温 | ramp warmup |
| 比例尺 | calibration frame |
| 比例式旋转变压器 | proportional revolver |
| 比例式自动驾驶仪 | displacement autopilot |
| 比例引导 | proportional navigation |
| 比例性 | proportionality |
| 比例控制、积分控制和微分控制 | proportional control, integral control, and derivative control |
| 比例模型 | scale model |
| 比例法则 | scaling law |
| 比例积分微分 | proportion integration differentiation |
| 比例积分微分控制 | pid control |
| 比例积算器 | proportional totalizer |
| 比例积算器 | proportional accumulator |
| 比值彩色合成影图像 | color-ratio composite image |
| 比光密度 | specific optical density |
| 比冲力效率 | efficiency of specific impulse |
| 比冲效率 | specific efficiency |
| 比冲量 | specific impulse |
| 比冲量效率 | efficiency of specific impulse |
| 比利时天地快运有限公司 | TNT Airways (Cargo) |
| 比利时空军 | Belgium Air Force |
| 比利时航空公司 | Air Belgium |
| 比参数 | specific property |
| 比喻的 | parabolic |
| 比容积 | specific volume |
| 比拟 | assimilate |
| 比推力 | specific thrust (发动机产生的总推力与发动机重量之比,它用于衡量发动机的效率。它是相对发动机比重的倒数) |
| 比推力 | specific impulse |
| 比测器 | comparator |
| 比湿度 | specific humidity (单位质量湿空气中水蒸气的质量，例如每千克空气中含有的水蒸气的克数) |
| 比潜热 | latent heat |
| 比热 | special heat |
| 比热容 | specific heat |
| 比热容关系式 | specific heat relation |
| 比热比 | ratio of specific heat capacities |
| 比热比 | ratio of the specific heat capacity |
| 比热流 | heat transfer rate |
| 比照标准 | reference standard |
| 比特每英寸 | bits per inch |
| 比特/秒 | bits per second |
| 比率转换器 | ratio changer |
| 比电压 | voltage gradient |
| 比相单脉冲 | phase-comparison monopulse |
| 比相雷达引信 | phase comparison radar fuze |
| 比航程 | specific air range |
| 比色测温法 | two-color thermometry |
| 比转数 | specific speed |
| 比较路线 | alternative route |
| 比较仪伺服系统监测器 | comparator servo monitor |
| 比较仪副翼 | comparator aileron |
| 比较仪加速器 | comparator accelerometer |
| 比较仪垂直率 | comparator vertical rate |
| 比较仪控制机轮操纵 | comparator control wheel steering |
| 比较仪横向加速器 | comparator lateral accelerometer |
| 比较仪自动着陆 | comparator autoland |
| 比较仪航路数据 | comparator course data |
| 比较仪警告监控器 | comparator warning monitor |
| 比较仪飞行指引仪 | comparator flight director |
| 比较参数 | comparison parameter |
| 比较器等 | comparator |
| 测量比较式仪器 | comparison measuring instrument |
| 比较性空中照相 | comparative cover (不同时间对同一目标所作的空中照相，用以发现该目标的变化) |
| 比较测量 | relative measurement |
| 比较警告计算机 | comparator warning computer |
| 比较评定 | trade-off |
| 比辐射率 | emissivity |
| 比重 | specific weight (比重为旧称，在国标中已弃用，已改为"相对体积质量 (relative volumic mass)"或 "相对密度 (relative density)") |
| 比重 | specific gravity (换算公式如下： 1 kg/m³ = 0.062 43 lb/ft³, 1 lb/ft³ =0.01602 g/cm³ = 16.02kg/m³, 1lb/in³=27.68g/cm³ = 1728lb/ft³) |
| 比重 | compactness |
| 比....重要 | precede |
| 燃料比重计 | densitometer |
| 比重计电子装置 | densitometer electronics unit |
| 比重调整 | specific gravity adjustment |
| 比降-面积法 | slope-area method |
| 气体比重密度计 | aerometer |
| 气弹响应比较 | comparison of aeroelastic response |
| 气球内升力气体在气囊内所占体积的百分比 | purity |
| 气蚀比转速 | caviation specific angular speed |
| 氧气压力比 | oxygen partial pressure |
| 水平分离比 | horizontal separation ratio |
| 水当量比 | water equivalent ratio |
| 水混合比 | water-blending ratio |
| 油气比 | air/fuel ratio |
| 油气比分析仪 | fuel-air mixture analyser |
| 油气比控制 | air fuel ratio control |
| ⑤油气比范围 | gate (只有当油气比于该范围内才可点燃,通常比范围是1 : 18〜1 : 8) |
| 油气比范围 | gate |
| 流动比率 | liquid ratio |
| 流量比 | bypass ratio |
| 流量混合比率 | traffic mix |
| 流量记录比率指示器 | flow recording ratio indicator |
| 浓缩比 | condensation ratio |
| 浮力容积比 | float volume |
| 海图比较器雷达图像与海图比较的投影器 | chart comparison unit |
| 消除偏流修正角比率 | decrab rate |
| 涡流比 | swirl ratio |
| 涡轮比直径 | specific diameter |
| 涡轮比转速 | specific speed |
| 涡轮压力比 | turbine pressure ratio |
| 涡轮膨胀比 | turbine expansion ratio |
| 涡轮速比 | velocity ratio |
| 液体比重计 | Baume |
| 涵道比 | bypass ratio (又称流量比。涡轮发动机内通过外涵道和内涵道的空气流量之比。是涡扇发动机重要设计参数，对发动机的耗油率、单位推力均有很大影响。一般远程运输机和客机使用的涡扇发动机的涵道比为4〜8) |
| 涵道比 | by-pass ratio |
| 涵道比调节阀 | variable bypass valve |
| 温差比重计 | thermohydrometer |
| 温度比 | temperature ratio |
| 热比 | heat ratio |
| 热容比 | heat capacity ratio |
| 热弹性比拟 | piezoelectric-thermal analogy |
| 热电比 | heat-to-power ratio |
| 焓比 | enthalpy ratio |
| 焓取出比 | enthalpy extraction ratio |
| 照片比例 | photographic scale |
| 燃料当量比 | fuel equivalence ratio |
| 燃料空气比 | fuel air ratio |
| 燃通面积比 | burning surface to port area ratio |
| 由油门解析仪输人指令控制的发动机压力比 | EPR command by TRA input |
| 电流电压比 | current to voltage |
| 电缆布线和设备比较 | bundle wire and equipment compare |
| 百分比下降点 | percentile |
| 百分比变化 | percentage variation |
| 百分比变化 | percent change |
| 百分比差 | percent difference |
| 百分比湿度 | percentage humidity |
| 目标和背景信号噪声比的鉴定 | target and background signal-to-noise evaluation |
| 直流电压比 | direct current voltage ratio |
| 真实比热容 | real specific heat capacity |
| 真空推力重量比 | vacuum thrust-to-weight ratio |
| 磁差对比地形跟踪导航系统 | Magcom |
| 积累对消比率 | integrated cancellation ratio |
| 稀释比例 | dilution ratio |
| 空气比率 | air ratio |
| 空气动力升阻比 | aerodynamic quality |
| 空气当量比 | air equivalence ratio |
| 空气-燃料比 | air to fuel ratio |
| 空气燃料比控制 | air fuel ratio control |
| 空气-燃油比 | air/fuel ratio |
| 空气燃油比控制装置 | air fuel ratio control unit |
| 空气-燃油比控制装置 | air/fuel ratio control unit |
| 空气膨胀比 | air expansion radio |
| 空重与总重比 | empty weight to gross weight ratio |
| 等比值线 | isomers |
| 等比特密度 | constant bit density |
| 双翼机的等效单翼机展弦比 | equivalent monoplane aspect ratio |
| 级膨胀比 | turbine expansion ratio |
| 纵横比冠层 | aspect-ratio canopy |
| 纵横比喷射 | aspect-ratio jet |
| 帧的纵横尺寸比 | aspect ratio |
| 缩比模型试验 | scale model test |
| 腹带防护对比肩带-腹带防护 | comparison of lap belt only versus lap belt-shoulder restraint protection |
| 自动比例控制 | automatic ratio control |
| 自动亮度对比控制 | automatic brightness contrast control |
| 自动频率比控制器 | automatic frequency ratio controller |
| 航空公司构型比较模式 | airline configuration comparison model |
| 舵面偏度与角位之比 | static gearing ratio |
| 艾比山 | Abbey Hill |
| 范德瓦尔斯对比态方程 | the Van der Waals equation of corresponding state |
| 螺旋桨总宽度比 | total propeller width ratio |
| 螺旋桨进距比 | propeller advance ratio |
| 螺距直径比 | pitch ratio |
| 表决比较器开关 | voter comparator switch |
| 表面质量比 | surface-to-mass ratio |
| 装填比 | charge weight ratio |
| 西班牙伊比利亚航空公司西航075 | Iberia Airlines |
| 视频信噪比 | signal-to-noise ratio Video |
| 视频对比度跟踪器 | video contrast tracker |
| 设计压力比 | design pressure ratio |
| 详细的对比 | detailed comparison |
| 质量面积比 | mass-to-area ratio |
| 贷款与价值比率 | loan to value |
| 起飞发动机压力比 | takeoff engine pressure ratio |
| 起飞发动机压力比 | take-off engine pressure ratio |
| 超高涵比 | ultra high bypass |
| 超高涵道比发动机 | ultra-bypass engine |
| 超高涵道比发动机 | ultra-bypass propulsion |
| 超高涵道比发动机 | ultra bypass engine |
| 跟踪比较器 | tracking comparator |
| 轮径比 | diameter ratio |
| 轴比 | axis ratio |
| 轴向速度与密度比 | axial velocity density radio |
| 载荷分级数 一种道面承载分类体系。显示道面无裂纹或产生永久变形时的承载能力。其数字通过道面的板承载试验得到。同样任何飞机的等效单轮可以用 LCN 值来表示。LCN 依赖于起落架几何形状、轮胎压力、道面组成和厚度。因此，如果跑道道面的 LCN 大于飞机的LCN,该机可以安全使用这条跑道。标准载荷分级如下:LCN10, 20, 30, 40, 50, 60, 70, 80, 90, 100 L/D lift drag ratio 升阻比 翼型在不同迎角下的升力系数和阻力系数的比值。它是翼型效率的量度。具有最大升阻比的迎角是最有效的迎角。在正常的翼型上，有效迎角一般为4。升力/阻力，Cₗ = C𝒹 LDA localizer-type directional aid 航向信标型航向设备 | load classification number (用于非精确仪表进近的导航设备，实用性和精确性与航向信标不相上下，但不是完整的仪表着陆系统的一部分，且不和跑道对准。LDA 航线通常比相似的简易航向设施 (SDF )提供更精确的进近航线,它具有6°或12°的航线宽度。在此航线和跑道之间对准不超过30°的地方，可公布直线进近最小值。两者对准超过30°的地方，只公布盘旋进近最小值) |
| 载重比运载重量与飞机自重之比 | load factor |
| 输人一输人比较监控器 | input-input compare monitor |
| 运转时间比 | operating ratio |
| 进料比 | charge ratio |
| 进气膨胀比 | air expansion ratio |
| 进速比 | advance ratio |
| 连续比特率 | continuous bit rate |
| 适坠性对比 | crashworthiness comparison |
| 选择地址与对比操作 | select address and contract operate |
| 通量比 | flux ratio |
| 速度与高度比 | velocity/height |
| 速度/高度比 | velocity/height ratio |
| 速高比 | velocity to height ratio |
| 采购质量与飞行质量之比 | buy to fly |
| 重叠比 | collapsing ratio |
| 重量比功率 | gravimetric specific power |
| 重量比自总量 | gravimetric specific energy |
| 重量/容量比 | weight/capacity ratio |
| 钝度比 | bluntness ratio (弹头头部与底部直径之比值) |
| 锥形比 | taper ratio |
| 镜像抑制比 | image rejection ratio |
| 长度比例尺 | scale of length |
| 长度直径比 | length-te-diameter |
| 长径比 | length-te-diameter |
| 长径比 | fineness ratio (流线体长度与最大直径之比) |
| 长细比 | fineness ratio (在翼型中表示弦长与最大厚度的比值，常用百分数来表示。在其他流线型物体尤其是在飞船船体和火箭中，其表示长度与最大截面直径或其他相当尺度的比值。为达到最佳效果,该值理论上为4 : 1,但实际上与空速有关，速度越高，长细比应该越大。实验显示，在较大长细比范围内阻力不会发生太大的变化。又称 thickness/chord ratio (厚度/弦长比)) |
| 长细比 | aspect ratio |
| 阵列区域比 | array area ratio |
| 阻力重量比 | drag/weight ratio |
| 阻力系数比 | drag coefficient ratio |
| 阻力重量比 | drag weight ratio |
| 降压比 | pressure ratio |
| 降压比控制 | pressure drop ratio control |
| 随机杂波信杂比 | signal to noise ratio |
| 集成发动机压力比 | integrated engine pressure ration |
| 静态传动比 | static gearing ratio |
| 非均匀的对比 | non-uniform contrast |
| 面积膨胀比 | area expansion radio |
| 风扇与核心发动机推力比 | fan/core thrust ratio |
| 风扇压比 | fan pressure ratio |
| 飞机推重比 | airplane thrust weight ratio |
| 飞行体质量比 | vehicle mass ratio |
| 飞行器质量比 | vehicle mass ratio |
| 飞行轨迹比较器 | flight profile comparator |
| 飞行载运比率 | load factor for flight |
| 飞行速度与离地水速度之比 | unstick speed ratio |
| 驱动压力比 | driver pressure ratio |
| 驻波比 | standing wave ratio (voltage, 电压) |
| 高比冲 | high specific impulse |
| 高比推力 | high specific impulse |
| 高比表面积 | high surface area |
| 高压比 | high-pressure ratio |
| 高对比度目标 | high-contrast target |
| 高度比率 | altitude rate |
| 高度直径比 | height to diameter |
| 高总压比 | high overall pressure ratio |
| 高空油气混合比调节器 | altitude mixture control |
