... non-polar structure 非极性结构 non-pollution technology 无污染工艺 non-polynomial Lagrange 肌非多项式拉格朗日量 ...
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non pollution technology 无污染工艺
non-point pollution technology 非点源污染控制技术
The current research of aluminums electro-polishing was analysed, a long-life and good-effective non-pollution technology was obtained through experiments.
分析了铝的电化学抛光研究现状，通过实验获得了一种效果好的环保型抛光工艺。
This method is rapid, cheap, effective and non-pollution and is a new technology of surface geochemical exploration.
该方法有快速、廉价、有效、无污染等特点，是地表地球化学勘探的一种新方法。
The process is characteristic not only of technology stability and extensive applicability, butal of non-pollution to water and atmosphere.
本工艺的主要特点是强化效果稳定、应用面很广，而且对大气和水源均污染。
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