It is difficult in practice to conduct strength calculation of some parts.Therefore some simplifications has to be made and the results obtained is far from being precise.

　
英 美
  • 在實(shí)際工作中,對于一些零件的變形和強度計算,應用經(jīng)典的解析法往往無(wú)法求解或需要將問(wèn)題做許多簡(jiǎn)化,因而求解精度較低。
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