While the program of water and soil conservation is drawn up, the prediction of the amount of soil erosion is needed.
在编制公路工程水土保持方案时，需要对水土流失量进行预测。
The significances of program and design in soil and water conservation are expounded.
该文论述了规划设计在水土保持工作中的重要性。
The significances of program and design in soil and water conservation are expounded.
该文论述了规划设计在水土保持工作中的重要性。
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