operationism操作主义operationn.操作；运转；经营；行动；手术；运算；生效；（复）运筹学operation notice操作说明operation region作业区域Operation reason操作性原因operation liquid入井液Operation modify改良operation status运行状况operation torque工作转矩operation pattem运作模式operation amount定期有价证券到期日的金额operation margin动作裕度