We thought that the Taliban will be reduced to a minor irritating factor within 6 months to a year.

我们原以为,在六个月到一年之内塔利班分子会减少成为一个很小的势利。

普林斯顿公开课 - 国际座谈会课程节选

And I'll just point out here also, this is a conversion factor you'll use quite frequently -- many of you, quite on accident, will memorize it as you use it over and over again.

你们会经常用到，所以你们可能,会不小心记住它的值，但我们并不会在,任何考试中。

麻省理工公开课 - 化学原理课程节选

This is the valence, the charge on the cation times I will common factor this.

这是价电子，阳离子的电荷乘以,共同因子。

麻省理工公开课 - 固态化学导论课程节选

In addition to that, we have that epsilon nought value, remember that's the permittivity constant in a vacuum, and basically that is what we use as a conversion factor to get from units. We don't want namely coulombs to units, we want that will allow us to cancel out in this equation.

这是电子的电荷，此外，我们有epsilon零，记住这是真空的介电常数，这是我们用来转换单位的转换常数,我们不想用库伦单位，我们希望这个可以在方程中约去它。

麻省理工公开课 - 化学原理课程节选