basic constants in physics的用法和樣例：
例句
- A seismometer is a seismograph whose physical constants are so well known.
地震計是一種地震儀器，其物理常數是已知的。 - 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.
不過(guò)現階段而言，要研究基礎物理常數可能的變化以及埋藏的核廢料如何隨時(shí)間遷移，加彭的例子仍是我們唯一的窗口。
