symmetry operation

基本解释

The symmetry operation on a set algebra P(x) is induced mapping by doubly mapping on X;
集合代数P（X）上的对称运算都是X上的对合映射所导出的映射；
Mathematic model of non_symmetry operation of self_induction generator is established to avoid complex formula deduction and easy to analyze digitally.
建立了自励感应发电机不对称运行时的数学模型，该模型避免了繁琐的公式推导，易于数值分析。
All symmetry operation and generating operation of the point groups were listed, and their group multiplication table of maximal proper point group 10 22 was filled in.
绘出了各点群的极赤投影图；列出了各点群的所有群元和生成元；填写出了最大的固有点群10 22的群乘表。