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针对用有限元法对扭压变形进行数值分析时所遇到的待求解的未知数目大、占用内存多的问题，提出一很好的解决方法。
Aiming at solving the problem of large number of unknowns and taking up more memory in the numerical analysis of the torsional deformation with the finite element method, a very good solution is proposed.