physical constant

基本解释

Finally, in 1983, it was tied to a fundamental physical constant, the speed of light, becoming the distance light travels in 1/299, 792, 458 of a second.
最終，在1983年，人們將“米”與光速這種最基礎的物理常數綁定了起來。
And it says that the divergence of the electric field is equal to, so this is a just a physical constant, and what it is equal to depends on what units you are using.
它說的是，電場的散度等於，這是一個物理常數，它等於什麽，是基於所用的單位。
This paper analyses the physical constant constructing by dimensional method and introduces the important mean of dimension of quantity in physical constant constructing.
採用量綱的方法分析物理常數的搆造，討論了物理量的量綱在物理常數搆造中的重要意義。

Sure, there are some physical attributes that are fairly constant around the globe, like facial symmetry and a healthy head of hair.
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Even worse were the constant comments about her physical appearance.
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