She could neither read nor write, yet in her own sphere she had no superior or equal.
她既不会读书也不会写字，但在她自己的领域里，没人能超越她或与她平起平坐。
The other way to think about it is at this point, 1 well, rho is equal to one because you are on the sphere.
另外一种想法是从这个点出发，因为在球面上，所以ρ是。
We will not attempt to distinguish two adhering spheres from a sphere of equal volume .
我们不准备把两个粘附在一起的球与一个同样体积的球加以区分。
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