| Terms for subject Environment (8060 entries) |
| maximum admissible concentration (The maximum exposure to a physical or chemical agent allowed in an 8-hour work day to prevent disease or injury) | 最大容许浓度 | |
| maximum air concentration | 最高空气浓度 | |
| maximum allowable concentration | 极限浓度 | |
| maximum allowable dose | 最大允许剂量 | |
| maximum contaminant level | 最大污染水平【度】 | |
| maximum credible accident | 最大可信【设想】事故 | |
| maximum immission concentration (The maximum concentration of air polluting substances in the free environment whose impact when of specified duration and frequency is not objectionable to man, fauna and flora) | 最大注入浓度 | |
| maximum lethal concentration | 最大致死浓度 | |
| maximum permissible concentration in water | 水中最大允许浓度 | |
| maximum permissible dose | 最大允许剂量 | |
| meadow (Strictly a term for a field of permanent grass used for hay, but also applied to rich, waterside grazing areas that are not suitable for arable cultivation) | 草地 | |
| mean terms | 中〔内〕项 | |
| means of agricultural production (No definition needed) | 农业生产方式 | |
| means of communication (The agents, instruments, methods or resources used to impart or interchange thoughts, opinions or information) | 通讯方式 | |
| measurements of pollution in the troposphere | 对流层污染测量 | |
| measures for air quality | 空气质量测定 | |
| measuring (The ability of the analytical method or protocol to quantify as well as identify the presence of the substance in question) | 测量 | |
| measuring instrument (No definition needed) | 测量仪器 | |
| measuring method (No definition needed) | 测量方法 | |
| measuring programme (No definition needed) | 测量规划 |