摩尔分数或比率，但它是有单位的。

Mole fractions or ratio, but it's got units.

youdao

这是一个数没有因子，是有单位的。

This is a number, there's no pre-factor here that has units.

youdao

它看起来或许不像这样，因为它包含了很多摩尔分数，当然它看起来不像有单位的。

It may not look like it because it's a bunch of mole fractions, and it certainly doesn't look like it has any units.

youdao

And so, even by units analysis, if the units come out right, you've got a good shot that unless you've really, really messed up, that the answer is going to be right.

甚至在单位分析中，如果你的单位正确，你就能做的很有条理否则会一团糟，而注意了单位你的答案才有可能正确。

麻省理工公开课 - 固态化学导论课程节选

Now, of course, we've got to have units and the units for lengths are going to be meters.

当然,这里还得有单位,长度的单位是"米"

耶鲁公开课 - 基础物理课程节选

eV It is a unit of energy. Now, this is 1.0 eV.

它是以单位的能量，现在，这有1。

麻省理工公开课 - 固态化学导论课程节选