The inner product algorithm and cross multiply algorithm in the vector calculation are used to deduce active power and reactive power.
利用矢量运算中的内积算法和叉乘算法来推导有功功率和无功功率。
And I can cross-multiply here.
然后再交叉相乘。
You take the flux, multiply it by the cross section, average it, integrate it over the whole volume.
你拿流量乘以横截面，平均它，乘以它除以总容积。
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 .
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。
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 .
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。
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