联立差分方程和补充方程即可求解此类复杂截面的扭转问题，得到扭转剪应力及截面扭转常数。
With these difference equations and compensatory ones, the torsion problem of this kind of beam can be solved to get its torsional shear stress and co.
快速铁路是束热处理铝合金型材中空截面，给高强度下的扭转和挠度应力。
The Speedy Rail beam is a heat-treated aluminium alloy profile with hollow cross-sections that give it high strength under torsion and deflection stresses.
利用康托·洛维奇-加权残值法求解矩形截面的扭转问题，其实质是将二维问题转化成一维问题，而后采用加权残值法得到问题的近似解。
The problem of torsion with rectangular section by means of Kantorovich MWR method is studied, whose aim is to convert two dimension into one dimension and derives approximate solution with MWR.
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