operation

act, action, deed, operation, performance

名词 operation:

1. a business especially one run on a large scale
2. a planned activity involving many people performing various actions
3. a process or series of acts especially of a practical or mechanical nature involved in a particular form of work
   同义词：procedure
4. the state of being in effect or being operative
5. a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
   同义词：surgery, surgical operation, surgical procedure, surgical process
6. activity by a military or naval force (as a maneuver or campaign)
   同义词：military operation
7. (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
8. process or manner of functioning or operating
   同义词：functioning, performance
9. (mathematics) calculation by mathematical methods
   同义词：mathematical process, mathematical operation
10. (psychology) the performance of some composite cognitive activity; an operation that affects mental contents
    同义词：process, cognitive process, mental process, cognitive operation
11. the activity of operating something (a machine or business etc.)

1. The surgeon has performed the operation.
   外科医生做了手术。
2. The gown a surgeon wears during an operation is usually green.
   外科医生在做手术时穿的手术服通常是绿色的。
3. The government underwrotethe initial costs of the operation.
   政府为该项活动提供了开办时所需的费用。
4. When does the new law come into operation?
   这项新法律何时生效？
5. The surgeon is performing a delicate operation.
   那位外科医生正在做一个很精细的手术。

op.er.a.tion

n.Abbr. op.,Op.（名词）缩写 op.,Op.
The act or process of operating or functioning.
操作：操作或起作用的行为或过程
The state of being operative or functional:
正在起作用的操作状态：
例句：
a factory in operation.
正在运转中的工厂

A process or series of acts involved in a particular form of work:
工事，作业：包含在一种特殊工作形式中的一系列动作或过程：
例句：
the operation of building a house.
盖房子的工事

An instance or a method of efficient, productive activity:
有效率的经营方式：
例句：
That restaurant is quite an operation.
这家餐馆营运效率很高

An unethical or illegal business:
不道德的、非法的交易：
例句：
a fencing operation for stolen goods.
买卖赃物的非法交易

Medicine A surgical procedure for remedying an injury, an ailment, a defect, or a dysfunction.
【医学】 外科手术：为修补伤口、缺陷或畸形等治疗疾病的外科手术
Mathematics A process or an action, such as addition, substitution, transposition, or differentiation, performed in a specified sequence and in accordance with specific rules.
【数学】 运算：按照一定规则和一定顺续进行的计算或过程，如加法 、替换、移项、微分等
Computer Science An action resulting from a single instruction.
【计算机科学】 执行，操作：由单一指令而引起的行为

A military or naval action, campaign, or mission.
军事行动，军事演习：陆军或海军的行动、战役或演习
operations The headquarters or center from which a military action, flights into and out of an airfield, or other activities are controlled.
operations 作战部：为一场军事行动、进入或退出战场或指挥其他活动而设的总部或中心
operations The division of an organization that carries out the major planning and operating functions.
operations 策划执行部门：一个执行总部重要计划和作战活动的机构分部