inclusion operator

• 包含运算

inclusion operator的用法和样例：

例句

1. This operator is unusual because it has three operands.
   这种运算符比较罕见，因为它有三个运算对象。
2. The procedure described above applies to the eigenvalues and eigenfunctions of any Hermitian operator.
   用上述运算方法也能求出任一厄密算符的本征值和本征函数。