Negative planning Approach is a reverse spatial planning method which gives priority to preserving and planning non-urban development area.
“反规划”是一种通过优先控制非建设区域来进行空间规划的逆向规划途径。
The non-point pollution in urban area is serious and tends to be worse. Understanding about its characteristics and regularities is a basis for effective control.
北京城区面源污染严重并有加重趋势，掌握其污染的特征和规律是实施有效控制的前提。
The non-point pollution in urban area is serious and tends to be worse. Understanding about its characteristics and regularities is a basis for effective control.
北京城区面源污染严重并有加重趋势，掌握其污染的特征和规律是实施有效控制的前提。
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