endogenous protective effect 内源性保护作用
Different groups'current economic level will give different endogenous effect to different pollutant.
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。
Endogenous effect mechanism of rural nonpoint pollution control are lack both in domestic and abroad.
国内外农村面源污染控制都缺乏内源的长效运行机制。
Different groups' current economic level will give different endogenous effect to different pollutant.
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。
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