operation

noun

医疗 medical

1. 手术
   the process of cutting open a part of a person's body in order to remove or repair a damaged part
   1. an operation on her lung to remove a tumour
      为她做肺部肿瘤切除手术
   2. Will I need to have an operation ?
      我需要动手术吗？
   3. He underwent a three-hour heart operation.
      他接受了三个小时的心脏手术。
   4. 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. （有组织的）活动，行动
   an organized activity that involves several people doing different things
   1. a security operation
      安全行动
   2. The police have launched a major operation against drug suppliers.
      警方发动了一次打击毒贩的大规模行动。
   3. the UN peacekeeping operations
      联合国维持和平行动

商务 business

3. （包括许多部分的）企业，公司
   a business or company involving many parts
   1. a huge multinational operation
      庞大的跨国公司
4. （工商业）活动，业务
   the activity or work done in an area of business or industry
   1. the firm's banking operations overseas
      这家公司的国外银行业务

计算机 computer

5. 运算；运作
   an act performed by a machine, especially a computer
   1. 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. 运转；运行；操作
   the way that parts of a machine or a system work; the process of making sth work
   1. Regular servicing guarantees the smooth operation of the engine.
      定期维修可保持发动机的顺畅运转。
   2. 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. 军事行动
   military activity
   1. 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. 运算
   a process in which a number or quantity is changed by adding, multiplying, etc.

1. N-COUNT （由大量人员参与、具有高度组织性的）活动，行动，工作
   An operation is a highly organized activity that involves many people doing different things.
   1. The rescue operation began on Friday afternoon...
      救援行动于星期五下午开始。
   2. The soldiers were engaged in a military operation close to the Ugandan border.
      这些士兵参加了乌干达边境附近的一次军事行动。
   3. ...a big operation against the drugs trade.
      打击毒品交易的大规模行动
2. N-COUNT 企业；公司
   A business or company can be referred to as an operation .
   1. Thorn's electronics operation employs around 5,000 people...
      索恩的电子公司雇用了约5,000名员工。
   2. The two parent groups now run their business as a single combined operation.
      这两个母公司现在合并为一家企业经营业务。
3. N-COUNT 手术
   When a patient has an operation, a surgeon cuts open their body in order to remove, replace, or repair a diseased or damaged part.
   1. Charles was at the clinic recovering from an operation on his arm.
      查尔斯的胳膊动了手术，正在这家诊所进行康复治疗。
4. N-UNCOUNT 使用；运作
   If a system is in operation, it is being used.
   1. Until the rail links are in operation, passengers can only travel through the tunnel by coach.
      在铁路连线开通之前，乘客只能乘坐长途客车穿越隧道。
   2. ...the free banking system that has been in operation since the early eighties.
      从80年代初就开始实行的自由银行制度
5. N-UNCOUNT （机器、设备等的）运转，运行
   If a machine or device is in operation, it is working.
   1. There are three ski lifts in operation.
      有3台滑雪缆车在运行。
6. PHRASE （使）施行；（使）实行；（使）生效
   When a rule, system, or plan comes into operation or you put it into operation, you begin to use it.
   1. The Financial Services Act came into operation four years ago...
      《金融服务法》于4年前开始实施。
   2. Cheaper energy conservation techniques have been put into operation in the developed world.
      更经济的节能技术在发达国家已经投入使用。

1. The operation can be done under local anaesthesia.
   该手术可以在局部麻醉的情况下实施。
2. He is recovering in hospital after an operation for acute appendicitis.
   做完急性阑尾炎手术后，他正在医院康复。
3. It was a risky operation, but might buy more time
   这是一次冒险的行动，但也许能赢得更多的时间。
4. An operation finally cured his shin injury
   手术最终治好了他胫部的伤。
5. He had a minor operation to remove a cyst.
   他做了个切除囊肿的小手术。
6. A debriefing would follow this operation, to determine where it went wrong
   这次行动之后将会有一个任务执行情况报告会，以便确定是哪里出了问题。
7. One man was arrested during the raid and another during a follow-up operation.
   一人在突袭中被捕，另一人在后续行动中被捕。
8. She had an operation on her knee at the clinic
   她在诊所做了个膝盖手术。
9. London was an hour away and by the time I arrived the operation had already been performed.
   伦敦离这里有1小时路程，当我赶到时，手术已经完成了。
10. The operation has given me a new lease of life.
    手术使我重获新生。
11. The rescue operation began on Friday afternoon
    救援行动于星期五下午开始。
12. The soldiers were engaged in a military operation close to the Ugandan border.
    这些士兵参加了乌干达边境附近的一次军事行动。
13. The two parent groups now run their business as a single combined operation.
    这两个母公司现在合并为一家企业经营业务。
14. Charles was at the clinic recovering from an operation on his arm.
    查尔斯的胳膊动了手术，正在这家诊所进行康复治疗。
15. Until the rail links are in operation, passengers can only travel through the tunnel by coach.
    在铁路连线开通之前，乘客只能乘坐长途客车穿越隧道。
16. There are three ski lifts in operation.
    有3台滑雪缆车在运行。
17. The Financial Services Act came into operation four years ago
    《金融服务法》于4年前开始实施。
18. Cheaper energy conservation techniques have been put into operation in the developed world.
    更经济的节能技术在发达国家已经投入使用。
19. She had to have the operation, or she would die.
    她必须动手术，要不然就没命了。
20. An air force spokesman said the rescue operation was a race against time.
    一名空军发言人说这次营救行动是在和时间赛跑。
21. Two weeks later, surgeons carried out the operation to rebuild his face.
    两周后，外科医生实施了手术以复原他的面部。
22. A big rescue operation has been launched for a trawler missing in the English Channel.
    为寻找在英吉利海峡失踪的一艘拖网渔船，人们展开了一场大规模的搜救行动。
23. He is recovering from an operation to reset his arm.
    他做了一个手臂复位手术，正在恢复。
24. The salvage operation went on.
    抢救行动继续进行。
25. Her father paid £ 1,000 for an operation to shorten her nose
    她父亲花了1,000英镑给她做了削鼻手术。
26. He was recovering from a heart transplant operation.
    他做了心脏移植手术，正在康复。
27. He had an operation last year to widen a heart artery
    去年他接受了一个扩张心脏动脉的手术。
28. The operation was successfully performed, but the patient suffered from shock.
    手术进行良好，但病人发生了休克现象。
29. The operation was a marvel of medical skill.
    这次手术是医术上的一个奇迹。

n.

in operation

• 工作中；使用中；有效
  working, being used or having an effect
  1. The system has been in operation for six months.
     这个系统已经运行六个月了。
  2. Temporary traffic controls are in operation on New Road.
     新路正在实施临时交通管制。

come into operation

• 开始工作；开始生效
  to start working; to start having an effect
  1. The new rules come into operation from next week.
     新规定从下周起实施。

put sth into operation

• 实施；使…运转；启用
  to make sth start working; to start using sth
  1. It's time to put our plan into operation.
     现在应该执行我们的计划了。

noun

1. the activity of operating something (a machine or business etc.)
   1. her smooth operation of the vehicle gave us a surprisingly comfortable ride

2. a planned activity involving many people performing various actions
   1. they organized a rescue operation
   2. the biggest police operation in French history
   3. running a restaurant is quite an operation
   4. consolidate the companies various operations

3. a process or series of acts especially of a practical or mechanical nature involved in a particular form of work
   1. the operations in building a house
   2. certain machine tool operations

   Synonym:    procedure

4. a medical procedure involving an incision with instruments
   1. they will schedule the operation as soon as an operating room is available
   2. he died while undergoing surgery

   Synonym:    surgerysurgical operationsurgical proceduresurgical process

5. (mathematics) calculation by mathematical methods
   1. the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation
   2. they were learning the basic operations of arithmetic

   Synonym:    mathematical processmathematical operation

6. activity by a military or naval force (as a maneuver or campaign)
   1. it was a joint operation of the navy and air force

   Synonym:    military operation

7. a business especially one run on a large scale
   1. a large-scale farming operation
   2. a multinational operation
   3. they paid taxes on every stage of the operation
   4. they had to consolidate their operations

8. (psychology) the performance of some composite cognitive activity
   1. the process of thinking
   2. the cognitive operation of remembering

   Synonym:    processcognitive processmental processcognitive operation

9. (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
   1. it can perform millions of operations per second

10. process or manner of functioning or operating
    1. the power of its engine determines its operation
    2. the plane's operation in high winds
    3. they compared the cooking performance of each oven
    4. the jet's performance conformed to high standards

    Synonym:    functioningperformance

11. the state of being in effect or being operative
    1. that rule is no longer in operation