earth fall是什么意思

用法例句

Luochuan loess plateau is one of soil erosion regions which is mainly resulted from loess landslides.

黄土崩塌作用是造成该区域水土流失的重要方式。

Shaanbei Luochuan loess plateau is one of soil erosion districts which is mainly resulted from loess slump.

通过野外调查发现黄土崩滑作用是造成该区水土流失的主要之一 ,发育于黄土塬 -沟谷过渡地带。

Study on the origin and countermeasure of the casualty loess landfalls in the Northern Shaanxi;

陕北伤亡性黄土崩塌成因与对策研究