operation

operation
noun

[mass noun]the fact or condition of functioning or being active
运作；实施
the construction and operation of power stations.
电站的建设和运作。
some of these ideas could be put into operation.
这些主意中的一部分可以付诸实施。
an act of surgery performed on a patient
手术
[often with adj. or noun modifier]a piece of organized and concerted activity involving a number of people, especially members of the armed forces or the police
（尤指军事）行动
a rescue operation.
救援行动。
■(Operation)preceding a code name for such an activity
（用于代号之前）行动
Operation Desert Storm.
沙漠风暴行动。
■a business organization; a company
商业机构；公司
he reopened his operation under a different name.
他用不同的名字重新开了他的公司。
■an activity in which such an organization is involved
经营业务
the company is selling most of its continental commercial banking operations.
那家公司正在出售它大部分的大陆商业银行业务。
■an active process; a discharge of a function
（运转）过程；履行（功能）
the operations of the mind.
头脑的运转过程。
(Mathematics)a process in which a number, quantity, expression, etc., is altered or manipulated according to set formal rules, such as those of addition, multiplication, and differentiation
(数)运算

语源

late Middle English: via Old French from Latin operatio(n-), from the verb operari 'expend labour on' (see operate)

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