1) soil erosion and control
水土流失与防治
4) preventing areas of soil and water erosion
水土流失防治区
5) soil and water conservation
水土流失综合防治
1.
Policy changes and its evaluation of soil and water conservation in China;
我国水土流失综合防治的政策变迁与评价
6) Regionalization of Soil Erosion
水土流失重点防治区
1.
Regionalization of Soil Erosion is an important way to improve effectiveness of the prevention and control of soil erosion.
水土流失重点防治区分区是提高防治水土流失成效的重要途径。
补充资料:森林被砍伐将造成大片土地水土流失
森林被砍伐将造成大片土地水土流失
≯i辅摊熏一毯
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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