primeval lead 中文意思是什麼
primeval lead
解釋
原始鉛-
The reason is that the quality and function of current forest can not match the natural primeval forest with perfect soil conservation effectiveness. because unitary surface material and less land surface roughness which can not retain runoff lead to short confluence time, quick delivery of flood, easy superposition of floods, and result to flood disaster
原因是目前的森林質量和功能都無法與具有水土保持功能的原始森林相比,其地表組成物質太少且單一,地面粗糙度低,起不到對地表徑流的阻擋作用,致使地面徑流匯流時間縮短,洪水下泄快並容易形成洪水疊加,導致洪澇災害加劇。
分享友人