adj. grouptheoretical
本文用群论的方法研究了三阶非线性弹性的轴转动对称性。
In this thesis, the axis rotation symmetry of third-order nonlinear elasticity was researched with the help of group theoretical methods.
在不借助群论的条件下，给出了转动矩阵的三种直接计算方法。
Under the circumstances that do not have the aid of group theory, we give three direct ways to calculate the rotation matrix.
利用群论的方法及定域键的观点可以把轨道对称守恒原理表述为键对称守恒规律。
The conservation principle of orbital symmetry may be represented as conservation law of bond symmetry, by means of group theory and the point of view of the localized bonds.
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