1. 活动，工作
2. 操作
3. 运转，运行
4. 经营，营运
5. 作用，效力，生效
6. 行动；军事行动，作战
7. 【医】手术
8. 【数】运算
9. 交易，买卖

1. [U]操作,运转,经营 the condition or process of working
2. [C]手术 the cutting of the body in order to set right or remove a diseased part
3. [C](军事)行动,活动 a planned, especially military movement
4. [C]运算 a process used to get one mathematical expression or figure from others

1. the state of being in effect or being operative;

   "that rule is no longer in operation"
   

2. a business especially one run on a large scale;

   "a large-scale farming operation"
   "a multinational operation"
   "they paid taxes on every stage of the operation"
   "they had to consolidate their operations"
   

3. a planned activity involving many people performing various actions;

   "they organized a rescue operation"
   "the biggest police operation in French history"
   "running a restaurant is quite an operation"
   "consolidate the companies various operations"
   

4. (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction);

   "it can perform millions of operations per second"
   

5. activity by a military or naval force (as a maneuver or campaign);

   "it was a joint operation of the navy and air force"
   

6. a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body;

   "they will schedule the operation as soon as an operating room is available"
   "he died while undergoing surgery"
   

7. a process or series of acts especially of a practical or mechanical nature involved in a particular form of work;

   "the operations in building a house"
   "certain machine tool operations"
   

8. process or manner of functioning or operating;

   "the power of its engine determines its operation"
   "the plane's operation in high winds"
   "they compared the cooking performance of each oven"
   "the jet's performance conformed to high standards"
   

9. (psychology) the performance of some composite cognitive activity; an operation that affects mental contents;

   "the process of thinking"
   "the cognitive operation of remembering"
   

10. (mathematics) calculation by mathematical methods;

    "the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation"
    "they were learning the basic operations of arithmetic"
    

11. the activity of operating something (a machine or business etc.);

    "her smooth operation of the vehicle gave us a surprisingly comfortable ride"
    

1.（由大量人员参与、具有高度组织性的）活动，行动，工作
Anoperation is a highly organized activity that involves many people doing different things.

operation什么意思

e.g. The rescueoperation began on Friday afternoon...
救援行动于星期五下午开始。
e.g. The soldiers were engaged in a militaryoperation 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。

2.企业；公司
A business or company can be referred to as anoperation .

operation

e.g. Thorn's electronicsoperation employs around 5,000 people...
索恩的电子公司雇用了约5,000名员工。
e.g. The two parent groups now run their business as a single combinedoperation.
这两个母公司现在合并为一家企业经营业务。

3.手术
When a patient has anoperation, a surgeon cuts open their body in order to remove, replace, or repair a diseased or damaged part.

e.g. Charles was at the clinic recovering from anoperation 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.使用；运作
If a system isin operation, it is being used.

e.g. Until the rail links are inoperation, 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。
e.g. ...the free banking system that has been inoperation since the early eighties.
从80年代初就开始实行的自由银行制度

5.（机器、设备等的）运转，运行
If a machine or device isin operation, it is working.

e.g. There are three ski lifts inoperation.
有3台滑雪缆车在运行。

6.（使）施行；（使）实行；（使）生效
When a rule, system, or plancomes into operation or youput itinto operation, you begin to use it.

operation的意思

e.g. The Financial Services Act came intooperation four years ago...
《金融服务法》于4年前开始实施。
e.g. Cheaper energy conservation techniques have been put intooperation in the developed world.
更经济的节能技术在发达国家已经投入使用。

1. operation是什么意思

1.operation：o; 运算

1. They were also given the opportunity to do some operations.
   他们也有机会亲自去操作。
2. The difficult operation will exact all the doctor's skill.
   这困难的手术将需要这位医生拿出全部本领来。
3. The operation unavoidably caused the patient much pain.
   手术不免会导致病人更多的疼痛。
4. The young nurse was very nervous when she assisted at her first operation.
   这位年轻的女护士首次当手术助手时,心情非常紧张。
5. You'll be glad to get your operation over.
   你做完手术就会高兴了。
6. It was not the operation, but the fever that followed, which finished him off.
   不是手术,而是手术后的发烧使他死亡的。
7. The patient is coming along well after the operation.
   手术后病人健康状况良好。
8. Then he bent over the patient to start the operation.
   然后他俯身开始给病人做手术。
9. We must coordinate our operations with theirs.
   我们必须使我们的军事行动和他们的协调一致。
10. The operation caused serious concern to the Government.
    局势引起政府的严重不安。
11. This will enhance our operation effectiveness.
    这会提高我们的工作效率。

be in operation

实施中 carry out

come into operation

生效 make sth such as a law to begin to come into effect

put into operation

使处于某种状态 make sth be in a state of
put sth into operation

It's a wonderful scheme, and he's just the man to put it into operation.

这是一个很好的计划,而他正是实施这个计划的人选。

The regulations have been put into operation on a trial basis.

这些规定已开始试行。

• The Starres whose operations make The fortunes and destinies of men.

  出自：C. Tourneur

• The operation of the condenser pump is very simple.

  出自：R. Stuart

• Psychological concepts..can seriously interfere with the operation of the parents' good sense.

  出自：B. Spock

1. operation作“操作,运转,经营”解时,是不可数名词,主要用于美式英语中。
2. operation作“手术”“(军事)行动,活动”“运算”解时,是可数名词。
3. operation在句中可用作定语修饰其他名词。

1. 美国人习惯用the operation of the school/theatre等表达方式，而英国人喜欢用conduct，management或running等词去代替operation；
2. 当operation可表示为“外科手术”。后面常接on/upon和表示人或身体某部分的单词，如an operation (up)on me。也可接for和病名，例如an operation for the detachment of the retina（视网膜脱落手术）。

operation, act, action, deed

这组词的共同意思是“行为”。其区别是：

1.act和action常可替换,但act多指短暂的、单一的、个人的、具体的行为,强调后果; 而action多指时间较长、过程较复杂的持续动作或行为,有时也指抽象的行动,强调过程。deed指比较复杂或业已完成的行为,多指伟大的、感人的行为; operation常指几个工作的组合。

2.act和deed是可数名词; action常用作可数名词,有时用作不可数名词; operation可用作可数名词或不可数名词。

3.act和operation是一般用词; action是较正式用词; deed是正式用词。

act，action，deed，operation，performance

这些名词均含“行为、行动”之意。

act一般指具体的、短暂的或个别的行为，强调行为的完成及其效果。

action普通用词，着重行动的过程。

deed较庄重用词，除泛指各种行为外，还可用于指某种高尚或伟大的行为，故常译作“功绩，业绩”。

operation多指一连串行动或行为的完成方式。

performance主要指行动的方式方法。

这孩子得做手术。

误 The child has got to do an operation.

误 The child has got to make an operation.

正 The child has got to have an operation.

正 The child has got to perform an operation.

析 “做手术”是have〔perform〕 an operation,不可以说do〔make〕 an operation。

• ☆ 14世纪晚期进入英语，直接源自古法语的flexus；最初源自古典拉丁语的flexus，意为一种工作，操作。