Operation era经营时代operationn.操作；运转；经营；行动；手术；运算；生效；（复）运筹学operation independent独立运算Operation Thunder Run奔雷行动Operation cooperation手术配合operation on the head头部开刀operation danger step操作危险点operation on the spot现地作业operation of websites网站运营operation and command作战指挥operation declaration操作说明Operationing patients骨折手术患者