surface flatness meaning in English

表面光滑度

Test methods for surface flatness of silicon polished slices
硅抛光片表面平整度测试方法
Test method for photoplate surface flatness by interferometric noncontact technique
用无触点干涉测量技术测量胶片表面平整度的试验方法
Abstract : the reasonable distribution of mix bulk density and partical size on the transverse and lenghwise direction of sintering pallet , the relationship between segregation index and mix bulk density were discussed . the ways for improving mix bulk density , enhancing mix partical segregation , decreasing side wall effect and increasing bed surface flatness were proposed
文摘:论述了台车上横向、纵向混合料容积密度及粒度的合理分布,偏析指数和混合料容积密度的关系,提出了改善台车上混合料容积密度，加大混合料粒度偏析,降低边缘效应及提高料面平整度的布料途径。