发布于：2025-07-06 05:47浏览量：56文/优校网
1.【医】手术;〈美〉经营;【数】运算;【商】(资金的)运用;交易;投机买卖;【军】军事行动,作战;【航】地面指挥所
2.动作,行动,活动;业务,工作;作用
3.效果,效力;有效范围,有效期间
1.a planned activity involving a lot of people, especially soldiers or police officers
2.an action or set of actions that is necessary to achieve something
3.the process of cutting into someone’s body for medical reasons
4.the way that something such as a system or service operates; used about the way that a machine or piece of equipment operates; used about the way that something such as a rule or an idea is used
5.a company, or a part of a large company
6.the process of controlling something or of making it work
1.a planned activity involving a lot of people, especially soldiers or police officers
2.an action or set of actions that is necessary to achieve something
3.the process of cutting into someone’s body for medical reasons
4.the way that something such as a system or service operates; used about the way that a machine or piece of equipment operates; used about the way that something such as a rule or an idea is used
5.a company, or a part of a large company
6.the process of controlling something or of making it work