That's what people call water and soil conservation.
这就是人们所说的水土保持。
One important form of soil conservation is the use of windbreaks.
一个重要的保护土壤的方式就是防风墙。
Soil conservation work has been greatly speeded since the conference.
会议召开之后，水土保持工作大大加快了。
Soil conservation work has been greatly speeded since the conference.
会议召开之后，水土保持工作大大加快了。
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