莫不循圆以为轨道。半径为直线,其实也是无限大的圆之一段;点即是无限小的圆。故圆周运动乃乾坤之大道。而有π则圆,派派老鼻子厉害了!:)))
莫不循圆以为轨道。半径为直线,其实也是无限大的圆之一段;点即是无限小的圆。故圆周运动乃乾坤之大道。而有π则圆,派派老鼻子厉害了!:)))
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