stream action meaning in English

河流冲刷作用
河流作用

This stream action mainly include torrent or sheet flood , not other water action
这种流水作用主要是洪流或片流的作用，而不是其它水流作用。
It is thought that the holocene original sediments were the result of the aeolation in the area , but the stream action influence the formation of deuterogenic loess
认为本地区全新世原始沉积物是风成的，但流水作用影响了次生黄土的形成。