The surface roughness is an important target of reflecting the microscopic shape of components surface, it has great influence on the surface quantity of work piece.
表面粗糙度是反映零件表面微观几何形状的一个重要指标,对工件表面质量有很大影响。
2
The prognosis is fairly bad when RI equals1or less than0.5. Conclusions:RI is a targetreflecting the cerebral vein adjust. RI is the marker of cerebral ischemia.