against water erosion的意思|示意

Article 2 as used in this Law, the term "water and soil conservation" means preventive and rehabilitative measures taken against soil erosion which is caused by natural factors or human activities.

第二条本法所称水土保持，是指对自然因素和人为活动造成水土流失所采取的预防和治理措施。

In order to reduce water loss and soil erosion and increase the buffering power of soil against rain water, the cultivation crossing to mountains is adopted for hilly lands.

为了减少水土流失和增加土地对雨水的缓冲力，对于山坡地都采用横山向耕种。