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operation

美 [ˌɑpəˈreɪʃ(ə)n]
英 [ˌɒpəˈreɪʃ(ə)n]
  • n.操作;运行;手术;运作
  • 网络运营;运算;运转
复数:operations  
operation
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n.
医疗medical
1.
[c]
手术the process of cutting open a part of a person's body in order to remove or repair a damaged part
Will I need to have an operation ?
我需要动手术吗?
He underwent a three-hour heart operation.
他接受了三个小时的心脏手术。
an operation on her lung to remove a tumour
为她做的肺部肿瘤切除手术
Doctors performed an emergency operation for appendicitis last night.
医生昨天夜里做了紧急阑尾炎手术。
有组织的活动organized activity
2.
[c]
(有组织的)活动,行动an organized activity that involves several people doing different things
a security operation
安全行动
The police have launched a major operation against drug suppliers.
警方展开了一次打击毒贩的大规模行动。
the UN peacekeeping operations
联合国维持和平行动
商务business
3.
[c][usupl]
(包括许多部分的)企业,公司a business or company involving many parts
a huge multinational operation
庞大的跨国公司
4.
[c]
(工商业)活动,业务the activity or work done in an area of business or industry
the firm's banking operations overseas
这家公司的国外银行业务
计算机computer
5.
[c][u]
运算;运作an act performed by a machine, especially a computer
The whole operation is performed in less than three seconds.
全部运算在三秒内完成。
机器;系统machine/system
6.
[u]
运转;运行;操作the way that parts of a machine or a system work; the process of making sth work
Regular servicing guarantees the smooth operation of the engine.
定期维修可保持发动机的顺畅运转。
Operation of the device is extremely simple.
这个装置的操作非常简单。
军事行动military activity
7.
[c][usupl]
军事行动military activity
He was the officer in charge of operations.
他是负责指挥作战行动的军官。
数学mathematics
8.
[c]
运算a process in which a number or quantity is changed by adding, multiplying, etc.

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