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有獎練習:簡易升降臺面小車設計 |
點評
轉(zhuǎn)圓者,,無窮之計也,。無窮者,必有圣人之心,,以原不測之智,;以不測之智而通心術,而神道混沌為一,。以變論萬類,,說意無窮。智略計謀,,各有形容,,或圓或方,或陰或陽,,或吉或兇,,事類不同。故圣人懷此,,用轉(zhuǎn)圓而求其合
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