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高薪為什么難啊?你說(shuō)為什么? |
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點(diǎn)評(píng)
就是把曲線分成許多段,逐段計(jì)算,再合成起來(lái),綜合考慮慣性力,機(jī)體結(jié)構(gòu)等,再考慮加工工業(yè),綜合妥協(xié)下來(lái),比如,高慣性條件不能脫開(kāi),極端條件不能破壞潤(rùn)滑等,這些都是限定條件,都要逐條考慮
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