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 period经营期operation system操作系统Operation theory工作原理operation method运算法operation manner营销手段operation profit营业利润operation packet操作包operation in tea茶叶交易operation factor运转因数operation center操作中心