operator A操作员Aoperatorn.操作员；技工；管理者；报务员；【计】运算符operator precedence language算子优先语言operator precedence relation[计] 算符优先关系operator polynomial spectrum算子多项式的谱operator precedence technique[计] 算符优先技术operator-applied occurrence算符应用性出现operator call handling center话务员呼叫处理中心operator rs telephone circuit话务员送受话器电路operator intervention section操作员干预部分operator of problem reduction问题归约算符operator-attenuator systems操纵基因-弱化子系统