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有獎練習(xí):簡易升降臺面小車設(shè)計(jì) |
點(diǎn)評
轉(zhuǎn)圓者,,無窮之計(jì)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(shù),,而神道混沌為一,。以變論萬類,說意無窮,。智略計(jì)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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