本文提出的功效指数法建立了综合评价环境污染控制设施的分级标准。
The classification standard of comprehensive evaluation of environmental pollution control installations has been established by the efficacy index method that put forward in this article.
基于反渗透原理，以89c52单片机为控制器，设计了水污染指数中的淤积密度指数(SDI)的自动在线测试装置。
Based on principle of reverse osmosis and used microcomputer 89c52 as controller, an automatic detection instrument of sludge density index (SDI) of water pollution is designed.
本文提出的功效指数法建立了综合评价环境污染控制设施的分级标准。
The classification standard of comprehensive evaluation of environmental pollution control installations has been established by the efficacy index method that put forward in thi...
对烟筒和围棋的控制也可以减少污染，指数造林也可以减少污染。
Smokestack and tailpipe controls, as well as planting trees, can reduce pollution, too.
对烟筒和围棋的控制也可以减少污染，指数造林也可以减少污染。
Smokestack and tailpipe controls, as well as planting trees, can reduce pollution, too.
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