And we can calculate that with the formula that we used, which was just n minus l minus 1 equals the number of nodes.
这个我们可以用我们以前用过的那个公式来计算,也就是节点数等于n减去l减去1
The formula tells us or absorbed based on the energy difference between the two levels that we're going between, that the electron is transitioning between.
这些公式告诉我们,或发出的光的,频率大小,是基于,电子转移的,两个能级,之间的能量差。
.. I computed the efficient portfolio frontier for various-- it's the efficient portfolio frontier using the formula I just gave you.
我计算了来自不同组合有效边界-,这一条有效投资组合边界,就是用刚刚给出的公式算出来的。
C So here I'm declaring a variable called c, and I'm pretty much translating the formula from the slide using the characters on my keyboard to a floating point value.
这里我声明了一个变量,然后我把那个幻灯片上的公式,用键盘上的字符翻译成了,浮点数值。
Once you get a formula, you've got to always remember the terms under which the formula was derived.
使用公式时,你一定不能忘记,公式使用的前提条件
But however that may be, Plato believes he has found in the formula of one man, one job, a certain foundation for political justice.
但无论会如何,柏拉图相信他已,找着一人一事的公式,一种特定的基础来营造政治公义。
I have rewritten the formula here.
我重写了一遍公式。
I've got to do the test, and then I just do the move. So the general formula is that.
比较一下然后移动,因此一般的公式是这样的。
There's no formula here, a great deal depends on the overall pattern, what your TA tells me about how you've done over the course of the semester.
没什么公式,主要是看整体模式,助教告诉我关于这门课你这学期做得怎样。
His idea was, the formula written for the opposite one will have the opposite angle; That turns out to be the correct answer.
他的方法是,反过来的方程,以相反的角来表示,那就能推出正确的答案了
Then you want to add the present value of the principal and that's the formula.
最后还要加上债券面值的现值,这就是债券定价公式
And we can look at the formula that got us here.
我们可以看这个公式。
I'm not going to expand on this because I can't get into-- This is not a course in probability theory but I'm hopeful that you can see the formula and you can apply it.
我不准备拓展这一部分,毕竟这节课不是概率论,但我希望你们能记住这个公式,并且学会应用
But de Broglie has told us that the wavelength is related to the instant velocity through this formula.
但德布罗意曾说过,波长是和瞬时速度相联系的,通过这个公式。
You guys probably know that too from your days at the daycare, but I want to derive the formula and put it up, then we'll see how to use it.
你们可能从幼儿园起就已经知道这个式子了,但是我想重新推导一遍,再来看如何进行运用
So you cannot use the formula once it hits the ground because once it hits the ground, the fundamental premise that a was a constant of -9.8 or -10 is wrong.
当物体落地以后,该公式就不适用了,因为当物体落地后,公式的基本前提——,加速度为常数-9.8或-10——就不成立了
Again, you should not memorize the formula.
重申一次,你不必死记这个公式
It will typically look like this and the formula we say is F = - kx, where k is called "The force constant."
图像看上去一般就像这样,对应的式子是 F = - kx,k 叫做"弹性系数"
It would be c times 3 in the third year, etc., Then the present value is equal to c/-- that's the formula for the value of a growing console.
在第三年它就是三倍的的三次方,现值就相当于c/,这就是上涨债务价值的公式
as long as it's small and finite, will lead to some small infinite errors in the formula, but remember it's got to be in the end made to be vanishingly small.
只要它只是有限小,就会在公式中引起无限小的误差,但请记住,Δt最后变得难以察觉地小
If the question of time is not explicitly brought up, then you should know that you have to use this formula.
如果时间的问题并没有明确提出,那你应该知道,必须要用这个式子
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