operation for为 ... 做的手术
operationn.操作;运转;经营;行动;手术;运算;生效;(复)运筹学
operation innovation业务创新
operation time speed运算速度
operation conditions操作条件
Operation investment指数投资
Operation on the ear耳手术
Operation indication手术指征
operation department运营部门,运营处
operation management操作管理
operation definition运算定义
operation continuous[化] 连续操作