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简单多面体的外接球问题实质就是求球半径R或确定球心O的位置问题,确定球心O的位置不外乎有如下两种方法.
The problem of the simple polyhedron circumcision problem is to find the ball radius R or determine the position of the ball center O. The determination of the position of the ball center O is nothing more than the following two methods.