operator A操作员A
operatorn.操作员;技工;管理者;报务员;【计】运算符
operator console facilities操作员控制台设备
operator applied occurrence[计] 运算符应用性出现
Operator-splitting scheme算子分裂格式
operator-handled toll call手动长途电话
Operator Preparation Program操作员准备程序
operator-product expansion算符乘积展开
operator toll dialing system话务员长途拨号制
operators make some mistakes操作失误
operator annunciator station操作指示台
Operator Aiding Demonstrator操作员辅助演示器