调用运算符 meaning in English

call operator

How to : call an operator procedure
如何：调用运算符过程
The syntax for an implicit call to an operator procedure is as follows
隐式调用运算符过程的语法如下所示：
Funcn . for this to work correctly , add the function call operator "
为使这正确工作，添加函数调用运算符“ ( ) ” 。
You invoke an operator procedure implicitly by using the operator symbol in an expression
使用表达式中的运算符符号隐式调用运算符过程。
This occurs regardless of whether or not the function takes parameters because the compiler calculates the function address ; however , because the function call operator " is not present , no call is made
因为编译器计算函数地址，所以不论函数是否有参数，都会出现这样情况；然而，由于不存在函数调用运算符“ ( ) ” ，所以没有调用。