| 释义 |
particle population
基本例句
粒子数
The necessary population inversion can be achieved in a variety of ways.我们可以用各种方法来实现这种必要的粒子数反转。
The incompressibility of the fluid is determined by introduction of a so-called particle density number.流体的不可压缩性是通过引人粒子数密度概念实现的。 |