grain size distribution

• 粒度分布

grain size distribution的用法和样例：

例句

1. The addition of surfactant will narrow particle size distribution of microcapsules.
   表面活性剂的加入会使微胶囊的粒度分布变窄。
2. The particle size distribution of the particulates and the rate of their coalescence were determined by using the Coulter counter.
   应用库尔特计数器测定粒度分布及粒径变化规律。