fundamental physical constants

• 基本物理常数

fundamental physical constants的用法和样例：

例句

1. A seismometer is a seismograph whose physical constants are so well known.
   地震计是一种地震仪器，其物理常数是已知的。
2. The physical parameters of the reactor core are calculated by method of the two-group theory.
   应用双群理论计算了反应堆堆芯物理常数。