电动车爱好者说电动车无污染，无噪音，而且经济。
Fans of electric cars say they are clean, quiet, and economical.
该锅炉具有优良的性能、较低的污染特性和良好的经济性能。
The boiler has following characters, such as high performance, lower pollution character and better economic.
电镀是国民经济中较小却必不可少的基础工艺性行业，同时也是重污染行业。
Electroplating industry is necessary in national economy and it is also a badly polluted industry.
②不同组别的当前经济水平会给不同污染物带来不同的内生性影响。
Different groups'current economic level will give different endogenous effect to different pollutant.
所以结构性污染的解决关键是要改变经济系统中的特定结构。
Therefore the crux is to change the structure of the economic system.
经济有效地控制氨氮废水污染是当前面临的重大课题。
Economical and effective control of pollution by ammonia-nitrogen waste water is a vital problem currently.
不同组别的当前经济水平会给不同污染物带来不同的内生性影响。
Different groups' current economic level will give different endogenous effect to different pollutant.
本发明的方便饭具有香味浓、无污染、节能、省力又经济有益于牙齿的健康。
Said instant rice is tast good, no pollution, energy saving and health care for teeth.
该法具有省时、省力、经济、不污染环境、宜于批量分析、便于普及推广等优点。
This method has many advantages such as saving time, saving labour, saving…
该法具有省时、省力、经济、不污染环境、宜于批量分析、便于普及推广等优点。
This method has many advantages such as saving time, saving labour, saving…
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