basic constants in physics

• 基本物理常数

basic constants in physics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. But for the moment, the examples discovered in Gabon remain unique windows on possible changes in fundamental physical constants and on how buried nuclear waste migrates over time.
   不过现阶段而言，要研究基础物理常数可能的变化以及埋藏的核废料如何随时间迁移，加彭的例子仍是我们唯一的窗口。