This paper analyzes the effect of three harnessing measures on the degenerative hills and slopes in east Qinghai province, that is, blockage cultivation, supplemental seeding and replanting.
英
美
释义
对治理荒山荒坡常用的封育、补播、重新建植三种方法进行了对比、调查和分析。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载