The page section in the output indicates current paging status of your system; pi column indicates number of pages read into the memory and po column indicates number of pages paged out of the memory.

输出的 page 部分指示系统的当前分页状态；pi 列指示读入内存的页数目，而 po 列则指示移出内存的页数目。

youdao

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。

youdao

And if you ask the fans of pi why, a startling number of them will come back with the same question: "Why climb Mount Everest?"

如果你问π粉丝为什么，绝大多数人会回问你同样的问题：“为什么要爬珠穆朗玛呢？”

youdao

And we wrote something that looks, the energy is equal to minus the Madelung constant times Avogadro's number, 0R0 q1 q2 over 4 pi epsilon zero R zero.

我们写下了，晶格能等于负的马德隆常数,乘以阿伏伽德罗常数，乘以q1q2除以4πε

麻省理工公开课 - 固态化学导论课程节选

n So the velocity is given by this product of the quantum number n Planck constant 2 pi mass of the electron time the radius of the orbit, which itself is a function of n.

速度是量子数,普朗克常数2π乘以轨道半径的值,它自身也是n的函数。

麻省理工公开课 - 固态化学导论课程节选

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