... mean radius 平均半径 mean range 平均距离；平均射程；平均自由程；平均极差；平均潮差 mean rate 平均速率 ...
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The average distance of donor-electron is much less than that of donor-hole, which is due to the Coulomb potential, and it is consequent that the average distance of electron-hole is less than that of electron-electron.
电子一空穴的平均距离小于电子一电子的平均距离也是理所当然的。
参考来源 - 量子阱线中中性施主束缚激子的性质Simulation result indicates that the characteristic of distribution of diameter and the average distance is clear.
通过研究仿真图形,得出单位步长无向双环网络G(N;±r,±s)直径、平均距离的分布规律。
参考来源 - 无向双环网络G(N;±rAnd reckon the mean distance of two points in familiar convex sets as examples.
作为举例,讨论了几种具体的常见凸域的两点间平均距离。
参考来源 - 计算凸域内两点间平均距离的普遍方法·2,447,543篇论文数据，部分数据来源于NoteExpress
如果你想求到中心的平均距离，球坐标还是不错的。
So, if you are asked to find the average distance from the origin, spherical coordinates can be interesting.
这是当时已知的，六个行星，以及于太阳的平均距离。
You see here the six planets that were known at the time, and the mean distance to the Sun.
我帮你们查阅了一下-，各大行星到太阳的平均距离-，单位是百万千米。
So I look up the distance — - the mean distance to these various planets — and you see that here in millions of kilometers.
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