You call an operator procedure by using the operator symbol in an expression.

您可以在运算式中使用运算子符号，呼叫运算子程序。

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Symbol of operator is the function of operator acting on sine function.

算子作用于正弦波函数所得函数称为算子的象征。

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Symbol of operator is the function of operator acting on sine function.

算子作用于正弦波函数所得函数称为算子的象征。

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