用群论方法给出了一种具有特殊本征对称性的四阶张量在各点群晶体中的形式，并将其应用于声光散射转动效应的研究，获得了有意义的结果。
The form of a four-rank tensor with the particular intrinsic symmetry for a variety of crystal symmetry is given by the use of the group theory method.
用群论方法导出具有轴转动群so(2)对称性的三阶非线性弹性系数张量的一般形式。
The general form of the third-order nonlinear elastic coefficient tensor having the symmetry of the group so (2) was derived with the help of group theoretical methods.
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.
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