In the ball analogy, the radius of the ball grows as the universe expands, but all points on the surface of the ball (the universe) recede from each other in an identical fashion.
和球类似，随着球的半径增长(正如宇宙膨胀)，球(宇宙)表面的任意点都以同样方式与其他点远离。
If you will accomplish a part machining of hemisphere surface and ball platform face of the radius needing by using it, you only need evaluate correlative variable in the main program.
使用时只需在主程序中对相关变量进行赋值即可完成所需半径的半球面及球台面的零件加工。
If you will accomplish a part machining of hemisphere surface and ball platform face of the radius needing by using it, you only need evaluate correlative variable in the main program.
使用时只需在主程序中对相关变量进行赋值即可完成所需半径的半球面及球台面的零件加工。
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