微地形
Keywords ultraprecise turning;diamond cutter;micro chip;surface roughness;surface micro topography; 超精密车削;金刚石刀具;微切屑;表面粗糙度;表面微观形貌;
One who is skilled in topography. 地形学者精通地形学的人
micro topography 微观形貌
How fast does the new micro process the data? 这新微型计算机处理数据有多快?
A marked change in topography such as a fault or deep valley. 断层地形上的显著变化，如断层，深谷
