OK, I can certainly print out strings, but I can actually add strings together, and just as you saw, I can multiply strings, you can kind of guess what this is going to do.
当然我可以显示字符串,但是其实我还可以令字符串相加,如你所见到的,我可以令字符串相乘,你们可以想想答案是什么。
If you multiply it by 2, you get a vector two times as long.
如果拿它乘以2,你就得到一个两倍长的矢量
If you multiply her, then you want to have as much depth to fill in behind to close that hole as you can, so that that would make your phalanx more sturdy, because you could take more casualties without breaking, that seems reasonable to me.
如果再多一些,你就需要在后面增加足够的排数,尽可能地填补缺口,这会使你的方阵固若金汤,即使伤亡惨重也不影响阵容的坚固,这在我看来是合理的
a perfectly spherical shell dr at some distance, thickness, d r, dr we talk about it as 4 pi r squared d r, so we just multiply that by the probability density.
在某个地方的完美球型壳层,厚度,我们把它叫做4πr平方,我们仅仅是把它,乘以概率密度。
And that certainly wasn't true way back at the start of A, as the fertilized egg first begins to split and multiply, subdivide and make organs.
显然不是在A阶段这么早就开始的,当受精的卵子开始分裂繁殖,继续分裂,形成器官。
Then you're able to generalize that and say, if you multiply it by 2.6, I mean a vector 2.6 as long as A.
然后可以将其推广到更一般的情况,如果用2.6乘以它,所得矢量即为矢量 A 的2.6倍
So, the number of nuclei, 119 if we were to sit and count these as well, is 119. So, we'll multiply that by just pi, r squared, to get that cross-section, and divide all of that by 1 . 39 meters squared.
如果你们数的话,原子核的数是,我们用它乘以πr的平方,得到横截面积,除以1。39平方米。
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