SI Units

基本解释

Here is the value of using SI units.
这是使用国际单位制单位的好处。
And the constant, if we redo it in modern SI units, 1 would take on the value of 1.1 1*10^7m-1 times 10 to the 7th reciprocal meters.
如果我们用现代国际单位制来改写它，这个值是1,1。
At the same time, the practice shows that the accuracy of fundamental SI units could be improved further by redefinition of some fundamental physical constants.
同时，实践证明，用固定若干基本物理常数的数值来重新定义基本单位，可以进一步提高基本单位的准确性。

And the constant, if we redo it in modern SI units, 1 would take on the value of 1.1 1*10^7m-1 times 10 to the 7th reciprocal meters.
如果我们用现代国际单位制来改写它，这个值是1,1。
麻省理工公开课 - 固态化学导论课程节选
But in terms of SI units, which become much more useful if you're actually trying to use intensity in a problem and cancel out your units, we're just talking about joules per second is what intensity is.
但是用国际单位制，这个变得越来越有用了,如果你实际上在使用强度,来解决问题和约化单位，我们仅仅讨论每秒钟的焦耳,这就是强度。
麻省理工公开课 - 化学原理课程节选
SI units means everything goes in, in SI, everything comes out in SI.
国际单位制单位意味着所有元素进出，都是以国际单位制单位的形式。
麻省理工公开课 - 固态化学导论课程节选