support reactions造句

The dissertation discusses some theories of computation including the unit stiff matrix of the spatial member in the local coordinates ， the coordinate transformation , the integration of the integer stiff matrix ， the equivalent joint load ， the introduction of the boundary condition ， the computation of the unit internal force and support reaction ， the stableness of the spatial stiff frame . the dissertation also discusses the methods of dealing with several unusual problems such as combined structure , temperature stress ， elastic bearing
本文论述了空间杆件局部坐标单元刚度矩阵、坐标转换、整体刚度矩阵的集成、等效结点荷载、边界条件的引入、单元内力与支座反力计算、空间刚架稳定的计算理论，以及组合结构、温度内力、弹性支承等几个特殊问题的处理方法。
It's difficult to find support reactions in a sentence. 用support reactions造句挺难的