| Chinese | English |
| 人为引起的险情指数 | human-caused risk scaling factor |
| 人口结构和人口数量的变化趋势 | population trend The direction of change in the total number of persons inhabiting a country, city, district or area (居住在某个国家、城市、区或者区域的人的总数的变化趋势。) |
| 人类基本服务指数 | essential human services index |
| 低体积弹性模数 | low bulk elastic modulus |
| 保水系数 | water retention coefficient |
| 健康联合信息数据库 | combined health information database |
| 关系型数据库 | relational database A collection of digital information items organized as a set of formally described tables from which the information can be accessed or reassembled in different ways without reorganizing the tables (以一组正则表达式描述的表的形式来组织数字信息的集合。通过表，信息可以通过不同的方式被访问和重组，而不用重新组织表。) |
| 半数致死时间 | lethal dose-50 time |
| 危险指数标 | hazard index |
| 去污指数 | decontamination factor |
| 参数 | parameter 1. A quantity in an equation which must be specified beside the independent variables to obtain the solution for the dependent variables. 2. A quantity which is constant under a given set of conditions, but may be different under other conditions (1. 除了独立变量旁的从属变量之外，方程中必须指定其数量。2.数量在一定条件下市一个常量，但在其它条件下有可能发生变化。) |
| 发生频率指数简写为OI | occurrence index |
| 品质能量因数 | energy factor |
| 美国国家气候数据中心 | National Climate Data Center |
| 国家环境数据分配处 | National Environmental Data Referral Service |
| 国家环境数据分配系统 | National Environmental Data Referral System |
| 国家环境卫星数据和信息服务局 | National Environmental Satellite Data and Information Service |
| 图像处理数字系统 | image processing digital system A coordinated assemblage of computer devices designed to capture and manipulate pictures stored as data in discrete, quantized units or digits (一个电脑设备的整合系统，该系统被用来获得与处理图片，储存成离散化、量子化或数位化的单元或形式。) |
| 地球资源观测系统数据中心 | earth resources observation system Data Center |
| 地球资源观测系统数据中心 | EROS Data Center |
| 地理信息系统数字形式 | GIS digital format The digital form of data collected by remote sensing (通过遥感收集的数据的数字形式。) |
| 地理信息系统数字技术 | GIS digital technique The transformation to digital form of data collected by remote sensing, traditional field and documentary methods and of existing historical data such as paper maps, charts, and publications (对由遥感，传统领域和文件的方法和现有的历史数据,如纸张地图，图表和出版物等收集的数据以数字形式转变。对由遥感技术收集的数据、传统领域和文件方式(存储)的数据以及现有的历史数据，如纸张地图，图表和出版物等，向数字形式进行转变的技术。) |
| 地理信息系统数字系统 | GIS digital system An organized collection of computer hardware, software, geographic data, and personnel designed to efficiently capture, store, update, manipulate, analyze, and display all forms of geographically referenced information that can be drawn from different sources, both statistical and mapped (一种计算机硬件、软件、地理数据和人事部门的有组织的收集，旨在有效获取、存储、更新、操纵、分析和显示各种形式的地理参照信息，可以从不同的来源，如统计数据和绘制地图来绘画。) |
| 地理参考数据 | geo-referenced data |
| 多样性指数 | index of diversity |
| 存活数 | survival count |
| 少数民族 | minority A group that is different racially, politically, etc. from a larger group of which it is a part (种族上、政治上等区别于一个大集团的团体，即它是大团体的一个组成部分。) |
| 幸存系数 | survival factor |
| 康拉特逊残碳指数 | Conradson index |
| 总参数 | total parameter The sum of parameters that must be taken into account when assessing water quality - organoleptic factors, physico-chemical factors, toxic substances, microbiological parameters (当进行水的质量评估时，必须考虑的总参数(感官因素、物理、化学因素、有毒物质、微生物参数)) |
| 排出物参数监控 | parametric emission monitoring |
| 排放数据 | emission data Data concerning pollutants released into the environment from a permanent or mobile installation or from products (有关固定污染源、移动装置或产品中释放到环境中的污染物的数据。) |
| 排放系数 | emission factor The relationship between the amount of pollutants produced to the amount of raw materials processed, or fuel consumed, in any polluting process (污染产生的过程中，污染物的数量与原料的使用量或者燃料的消耗量之间的关系。) |
| 放射性安全保健数据 | radioactive health data |
| 数值天气预报工作网 | numerical weather prediction operational grid |
| 模拟值的数字计数 化 | digitise |
| 模拟值的数字计数 化 | digitize |
| 数字化 | digitizing The process of converting data to a form used in computers, transmitted or stored with digital technology and expressed as a string of 0's and 1's (通过数字技术将数据转换成为计算机可传输和存取的0、1二进制串形式。) |
| 数字图像处理技术 | digital image processing technique Techniques employed in the calibration of image data, the correction or reduction of errors occurring during capture or transmission of the data and in various types of image enhancement-operations which increase the ability of the analyst to recognize features of interest (校正影像资料所使用的技术，例如修正或降低资料在获取或传递过程中，或者各种影像强化处理的错误，便于增加分析者识别兴趣点特征的能力。) |
| 数字土地模型 | digital land model A representation of a surface's topography stored in a numerical format. Each pixel has been assigned coordinates and an altitude (将地表的地形影像以数字格式储存。 每个像素均指定了坐标和高度。) |
| 数学分析 | mathematical analysis The branch of mathematics most explicitly concerned with the limit process or the concept of convergence; includes the theories of differentiation, integration and measure, infinite series, and analytic functions (数学的一个分支，主要涉及有限过程或收敛概念，包括微分、积分和测度、无穷级数以及解析函数理论。) |
| 数学法 | mathematical method No definition needed (无需定义。) |
| 数据资料收集采集，集合，获取 | data acquisition |
| 数据中心 | data centre An organization established primarily to acquire, analyze, process, store, retrieve, and disseminate one or more types of data (为搜集、分析、处理、储存、检索和传播一种或多种的数据而设立的组织。) |
| 数据交换 | data exchange A reciprocal transfer of individual facts, statistics or items of information between two or more parties for the purpose of enhancing knowledge of the participants (以加强参与者的知识为目的，在两个或多个团体间互相传递个体事实、统计数据或信息项。) |
| 数据传输设备 | data carrier A medium on which data can be recorded, and which is usually easily transportable, such as cards, tape, paper, or disks (用于记录数据和易于传送数据的媒体，如磁卡、磁带、纸张和磁盘。) |
| 数据保护 | data protection Policies, procedures or devices designed to maintain the integrity or security of informational elements in storage or in transmission (设计来维护信息储存或传送完整性或安全性的政策、程序或装置。) |
| 数据分析 | data analysis The evaluation of digital data, i.e. data represented by a sequence of code characters (数字数据的评估，即使用一组编码字符序列表述数据。) |
| 数据处理 | data processing Any operation or combination of operations on data, including everything that happens to data from the time they are observed or collected to the time they are destroyed (任何对数据的运算或组合运算，包括从观察或收集数据，直到数据被破坏的所有操作。) |
| 数据处理法 | data processing law |
| 数据处理系统 | data processing system An assembly of computer hardware, firmware and software configured for the purpose of performing various operations on digital information elements with a minimum of human intervention (电脑硬件、固件和软件的集合，以最低的人为干预对数字信息元素进行不同的操作。) |
| 数据库 | data base A computerized compilation of data, facts and records that is organized for convenient access, management and updating (运用电脑化的方式编辑数据、事实和记录，并将其组织成可方便存取、管理和更新的格式。) |
| 数据收集 | data acquisition The act of collecting and gathering individual facts, statistics or other items of information (收集个体事实、统计数据或其他信息项的行为。) |
| 数据记录技术 | data recording technique The body of specialized procedures and methods used for the preservation, collocation or registration of individual elements of information (用来保存、收集或记录个别信息要素的特殊程序或方法的主体。) |
| 数量变化 | change in value |
| 有机污染指数 | saprobic index Indication or measure of the level of organic pollution (有机污染的指数或测量值。) |
| 每小时降水数据 | hourly precipitation data |
| 气象参数 | meteorological parameter Variables, such as pressure, temperature, wind strength, humidity, etc. from which conclusions as to the forthcoming weather are drawn (一些变量，如压力、温度、风强度、湿度等，由此可推断即将到来的天气变化情况。) |
| 氢离子浓度负对数值 | pH-value |
| 水污染指数 | water pollution index |
| 水质指数 | water quality index |
| 污染指数 | pollution index |
| 污染控制指数 | pollution control index |
| 污染标准指数 | pollution standards index |
| 水污染生物指数 | biologic al index of water pollution |
| 「泥渣体积指数污水生化处理时用 | sludge volume index |
| 海洋大气综合数据集 | comprehensive ocean-atmosphere data set |
| 渗透磁导系数 | permeability coefficient |
| 火灾负荷指数简写为FLI | fire load index |
| 物质危害指数 | substance hazard index |
| 环境数据 | environmental data Information concerning the state or condition of the environment (有关环境状态或状况的信息。) |
| 环境数据资料和信息服务 | environmental data and information service |
| 环境数据服务中心 | Environmental Data Service (NOAA 'More) |
| NOAA 环境数据服务中心 | Environmental Data Service |
| 环境影响数据指标 | environmental data index |
| 环境状况数据 | data on the state of the environment No definition needed (无需定义。) |
| 环境质量指数 | index of environmental quality |
| 生态参数 | ecological parameter A variable, measurable property whose value is a determinant of the characteristics of an ecosystem (决定生态系统特性的可测量的变量。) |
| 生物富集系数 | bioconcentration factor The quotient of the concentration of a chemical in aquatic organisms at a specific time or during a discrete time period of exposure, divided by the concentration in the surrounding water at the same time or during the same period (在特定时间或在离散的时间段，在水生生物中化学物质的浓度商数；在同时或者在同一个时间段，被周边水剂浓度，除得到的商。) |
| 生物指数 | biotic index Scale for showing the quality of an environment by indicating the types of organisms present in it (e.g. how clean a river is) (是通过指示目前的生物种类来显示环境质量的一种量度。) |
| 电子数据交换 | interchange of electronic data A transference of binary coded information items between two or more computers across any communications channel capable of carrying electromagnetic signals (二进制编码信息在两个或两个以上计算机间通过任何可以传送电磁信号的通信渠道转移的过程。) |
| 监测数据 | monitoring data No definition needed (无需定义。) |
| 空气中含水克数 | grams of water in air |
| 经济数据 | economic data No definition needed (无需定义。) |
| 统计数列 | statistical series An ordered sequence of data samples in numerical form used to predict or demonstrate trends through time and space (样本的数据排列顺序通过时间和空间的趋势使用数字的形式来预测或证明。) |
| 统计数据资料 | statistical data |
| 统计数据 | statistical data No definition needed (无需定义。) |
| 联合数值天气预测 | joint numerical weather prediction |
| 观光人数 | tourist attendance No definition needed (无需定义。) |
| 运行数据 | operating data Data referring to the practical carrying-out of a process (实际执行过程中的数据。) |
| 透光百分数 | percent transmission |
| 预报数据 | prognostic data |
