grain-size characteristics

基本解释

The grain-size characteristics reflect the sedimentary environment.
沉积物的粒度特征反映了沉积环境。
Based on the data from Datong gauging station of Yangtze River, the grain-size characteristics of suspended sediment has been studied by using regression analysis.
以大通站为例，用回归分析的方法研究了长江入海悬移质泥沙的粒度特征。
Detailed analyses of the grain size distribution characteristics and the grain profile wavelength of fine diamond grinding wheel used for ultra-precision grinding are presented.
对超精密磨削所用细粒度金刚石砂轮磨粒粒径的分布特点和砂轮表面上磨粒的轮廓波长进行了分析。