Abstract: Because of hard ground surface characters of big bulk densities, bare surface and be disturbed easily,the hard ground surface has its laws about sediment yield.
Abstract: Because of hard ground surface characters of big bulk densities, bare surface and be disturbed easily,the hard ground surface has its laws about sediment yield.
文摘:硬地面由于具有容重大、地表完全裸露、易受人为干扰等特性，因而其产沙特性有其自身的规律。