operationistn.【哲】实演主义者operationn.操作；运转；经营；行动；手术；运算；生效；（复）运筹学operation domain动作区operation animal动物手术operation safety运营安全operation layout作业布局Operation on lip唇手术operation beacon工作信标operation rating额定值operation flight任务飞行operation device操作装置operation regime操作区域