 |
| Chinese | English |
| 同位素指示剂 | tracer element |
| 同位素指示剂 | tracer A minute quantity of radioactive isotope used in medicine or biology to study the chemical changes within living tissues (用于医学或生物学来研究生物组织化学变化的一分钟量放射性同位素。) |
| 放射性指示剂 | radioactive tracer A radioactive isotope which, when injected into a biological or physical system, can be traced by radiation detection devices, permitting determination of the distribution or location of the substance to which it is attached (一种放射性同位素，当把它注入到生物或物理系统时，能被辐射检测设备追踪，并能检测到它的分布情况或位置。) |
| 放射性指示剂技术 | radioactive tracer technique |
| 欧共体指示 | EC directive A type of legislation issued by the European Union which is binding on Member States in terms of the results to be achieved but which leaves to Member States the choice of methods (一个由欧盟发表的立法类型，它是根据成员国取得的结果绑定，但是让成员国保留对方式的选择权利。) |
| 欧共体关于包装材料的指示 | EC directive on packaging EC Directive proposed on 15 July 1992 aiming at harmonizing national measures concerning the management of packaging and packaging waste; the directive covers all packaging placed on the market (欧共体发表于1992年7月15日的指示，旨在协调各个国家对包装材料的管理和包装材料浪费在内的措施。指示包括所有进入市场的包装材料。) |
| 欧共体关于废弃物处理的指示 | EC directive on waste disposal EC Directive whose main object concerns waste prevention, recycling and transformation into alternative energy sources (欧共体的指示，其主要目标包括废弃物的预防、回收，以及将其转化成替代能源。) |
| 欧共体关于水资源保护的指示 | EC directive on water protection Directive concerning the use and management of water resources for a rational economical and social development and the protection of the related environmental features (指示关于根据合理的经济和社会发展利用和管理水资源，以及对相关环境特征的保护。) |
| 欧共体关于生物性农药的指示 | EC directive on biocides Directive regulating the placing of biocidal products on the market (指示规范生物农药产品在市场上的配售。) |
| 气压测量指示器 | barometric indicator |
| 氧— 臭氧指示器 | oxygen/ozone indicator |
| 污染指示 | pollution indicator Organisms, mostly plants, which are most sensitive to slight changes in environmental factors. When identified their reaction can serve as an early warning of the endangerment of the health of a community (大部分植物对微小的环境因素变化都非常敏感。因此确认它们的反应也可以作为早期污染预警的指标。) |
| 环境动态指示器 | environmental performance indicator |
| 迁移指示器 | migration indicator |
| 迁移指示植物 | migration indicator |