莫不循圓以為軌道。半徑為直線,其實也是無限大的圓之一段;點即是無限小的圓。故圓周運動乃乾坤之大道。而有π則圓,派派老鼻子厲害了!:)))
莫不循圓以為軌道。半徑為直線,其實也是無限大的圓之一段;點即是無限小的圓。故圓周運動乃乾坤之大道。而有π則圓,派派老鼻子厲害了!:)))
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