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词汇 operation
释义 operation
noun
uk /ˌɒp.ərˈeɪ.ʃən/ us /ˌɑː.pəˈreɪ.ʃən/

operationnoun (WORK)


C1[ U ]
the fact of operating or being active: 运作,实施,工作
There are several reactors of the type in operation (= working) at the moment.目前有几个这样的反应堆在工作。
We expect the new system for assessing claims to come into operation (= start working) early next year.我们预计明年初施行核定索赔的新方案。
[ U ]
the way that parts of a machine or system work together, or the process of making parts of a machine or system work together(机器或系统的)运作,运行,运转;(对机器或系统的)操作,使用
C1[ C ]
a business organization: 企业
Less profitable business operations will have difficulty in finding financial support.盈利较少的企业将很难得到财政资助。
C1[ C ]
an activity that is planned to achieve something: (有目的的)活动,行动
a military/peacekeeping operation.军事/维和行动
Following the earthquake, a large-scale rescue operation was launched.地震后发起了一场大规模的救援行动。
[ + to infinitive ]The operation to fly in supplies will begin as soon as possible.向这里空运补给品的行动会尽快展开。
The rescue operation has been complicated by bad weather.恶劣的天气使救援工作变得更加艰难。
We need to look at the logistics of the whole aid operation.我们需要审视整个援助行动的后勤保障工作。
They mounted a salvage operation after the fire.
Starting your own business can be a risky operation.
They're winding down their operations abroad because they're losing money.因为亏损,他们正在逐步缩减海外业务。
SMART Vocabulary: related words and phrases

Machines - Functioning
action
actuator
deactivation
faultily
faulty
fire someone up
function as something/someone
functionally
light
operative
peg
peg out
play something up
power
power (something) up
refire
reset
road
tick
working

You can also find related words, phrases, and synonyms in the topics:


Performing a function
Enterprises
Acting and acts

operationnoun (MEDICAL PROCESS)


B1[ C ](UKinformalop)
an occasion when a doctor cuts a body for medical reasons in order to repair, remove, or replace an unhealthy or damaged part: 手术
a major/minor/routine operation大/小/常规手术
an abdominal/cataract/transplant operation腹部/白内障/移植手术
He has to have an operation on his shoulder.他的肩部必须做个手术。
[ + to infinitive ]We will know in a couple of days if the operation to restore her sight was successful.几天后我们就能知道她恢复视力的手术是否成功。
The hospital has a two-year waiting list for minor operations.这家医院的小手术已经排到了两年后。
The child's parents or guardians must give their consent before she has the operation.在给这个孩子动手术前,一定要得到她父母或其监护人的同意。
After the operation the wound became infected.手术后伤口受到了感染。
The operation involves putting a small tube into your heart.这项手术需要在你的心脏里放一根小管子。
The operation must be carried out under sterile conditions.手术必须在无菌条件下进行。
SMART Vocabulary: related words and phrases

Medical treatment: surgery
ablate
adenoidectomy
adrenalectomy
allograft
amputation
anaesthesia
blood transfusion
endarterectomy
endonasal
enterostomy
enucleate
enucleated
general anaesthetic
mastectomy
prostatectomy
pump something out
reduction mammaplasty
regraft
reimplant
suture

operationnoun (MATHEMATICS)


[ C ] mathematics specialized
a mathematical process, such as addition, in which one set of numbers is produced from another(数学)运算
SMART Vocabulary: related words and phrases

Calculations & calculating
algebraic
algebraically
algo
algorithmic
amount
calculate
integration
interpolation
inverse function
linear equation
mathematical
miscalculate
miscount
operator
sum
sum total
tolerance
tot something up
triangulate
work something out

operation | American Dictionary


operation
noun
us/ˌɑp·əˈreɪ·ʃən/

operationnoun (MATHEMATICS)


[ C ] mathematics
a mathematical process, such as addition, in which one set of numbers is produced from another

operationnoun (MEDICAL PROCESS)


[ C ]
a medical process in which doctors cut a body open in order to repair, remove, or replace an unhealthy or damaged part:
She underwent a six-hour open-heart operation.

operationnoun (WORK)


[ C/U ]
an act or process of working, doing something, being in action, or having an effect:
[ U ]Several printing presses are in operation (= working) at the moment.
[ C ]Setting a mousetrap is a delicate operation (= act of doing something).
[ C/U ]
An operation is also an activity planned to achieve something:
[ C ]a rescue operation

operation | Business English


operation
noun
uk /ˌɒpərˈeɪʃən/us
[ U ]
the fact of operating or being active:
come into/begin operationWe expect the new procedure to come into operation early next year.
be out of/cease operationThe company was facing a court order to cease operation.
The construction work will not affect the day-to-day operation of the company.
in operationThere are several reactors of this type in operation at the moment.
We hope to be in commercial operation within three months.
The firm is in its third year of operation.
[ C ]
a business organization:
Less profitable business operations will have difficulty finding financial support.
a banking/retail/manufacturing operation
We can capture carbon emissions at power plants, oil refineries, and cement-making operations.
The group's profits fell, despite a good performance from its overseas operations.
 operations[ U ]
MANAGEMENT
the activities involved in a company producing goods or delivering services:
Mary handles operations and travel planning.
head/director of operationsHe is director of operations for a recruitment agency.
The operations department is responsible for ensuring a company operates as efficiently and economically as possible.
[ C ]
an activity which is planned to achieve something:
an operation to do sthThe police have launched an operation to prevent the sale of pirated software.
A rescue operation to save the country's largest bank is underway.
a cost-cutting operation.
a military/peacekeeping operation
[ U ]
the way that parts of a machine work together, or the process of making parts of a machine or system work together:
Teamwork is essential to ensure the smooth operation of the department.
Open the machine and check the operation of the locking mechanism.

See also


holding operation
materials, repair, operation

Examples of operation


operation
This condition thus permitted us to measure the influence of performing two mental operations on the storage abilities of the children.
Another building block for such planning operations in the brain may be the type of short-term memory in which the prefrontal cortex is involved.
In contrast, action planning is an off-line operation, planning future actions in accordance with expected and/or intended future events.
This operation takes a minimal tree as input and returns the mirror image of that tree as output, preserving hierarchical relations.
At operation the grossly regurgitant left-sided morphologically tricuspid valve was replaced by a "top-hat" inverted aortic valve homograft.
Time-dependent characterization of the output radiation in a far-field zone was obtained for both free-running and injection-controlled operation with an unstable resonator 1 cavity.
Simulation results show that the developed robotic deburring system significantly improves the accuracy of the deburring operation.
It stressed the lawful operation of the universe under a providential order.
Technical failures, together with the clumsiness and indiscretion of its agents, wrecked operations with surprising frequency.
They resulted from the reflection on the possibilities of acting with certain material means; not of symbolic operations, but with those of technical operations.
Therefore, the system should be trained for several periods before performing the actual task for precise operation.
The search tasks, in which participants are assumed to perform operations in parallel on a single visual display are also used for the same purpose.
The great majority of the female subjects and virtually all of the male subjects would undergo the operation again.
Left-adjunction is an operation typically used in the syntax for the organization of phrases.
The latter operation is called the 'sparking' of parallelism and is used in different variants in many parallel languages.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocations withoperation


operation

These are words often used in combination with operation.

Click on a collocation to see more examples of it.


agricultural operation
It is an agriculturaloperation—intensive livestock farming standing on its own as an agriculturaloperation.
From the
Hansard archive

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0
airlift operations
Their skills could be used for airlift operations in the event of a major emergency.
From the
Hansard archive

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0
amphibious operation
On the 28th, she began preparing for another amphibiousoperation.
From
Wikipedia

This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
See all collocations with operation
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