So, when we think about any type of formal charges, we have to assign these based on a formula here, which is very easy to follow.

那么，不管我们要考虑什么样的形式电荷，我们都必须依靠这个公式，它很容易理解。

麻省理工公开课 - 化学原理课程节选

The boy would go say, we're offering to pay a discount rate of 2.51-- that was the formula and then anyone could do these calculations; they knew what it meant.

小男孩跑去说,我们愿意以2.51%的折扣率买入,公式就是那样用的,每个人都能算出价格,他们知道是什么意思

耶鲁公开课 - 金融市场课程节选

Therefore, mathematically at a given time t, we can trade t for v and put it into this formula.

因此,从数学角度来说,在给定的时刻 t,我们可以用 v 来表示 t,并代入这个式子

耶鲁公开课 - 基础物理课程节选

So let's do a sample calculation now using this Rydberg formula, and we'll switch back to emission, and the reason that we'll do that is because it would be nice to actually approve what we just saw here and calculate the frequency of one of our lines in the wavelength of one of the lines we saw.

让我们用Rydberg公式,做一个例题，我们回到发射上,这么做是因为这样,可以用我们看到的波长,来验证我们计算的频率。

麻省理工公开课 - 化学原理课程节选

What we do is we take the interest rate, which I'll call r, and plug it into a formula, which I didn't actually do the arithmetic to their number.

我们只需将利率r,代入等式中,虽然我没有代入数字验证过...

耶鲁公开课 - 金融市场课程节选