be in operation
用于表示系统或机构正在运行或工作中。
The factory has been in operation for 20 years.
这家工厂已经运营了20年。
操作，运转
operations — plural of operation
手术；运算；设备执行其功能的方式。；生效或运作的状态；行动执行的方法或实践。
the act of working or being used
指机器或系统的运行
设备执行其功能的方式。
The method by which a device performs its function.
生效或运作的状态
the state of being in effect or being operative
行动执行的方法或实践。
The method or practice by which actions are done.
尤其是大规模经营的企业
a business especially one run on a large scale
操作的行为或过程:作用力；物理、机械或道德力量的运用。
The act or process of operating (verb): agency; the exertion of power, physical, mechanical, or moral.
涉及多人执行各种行动的计划活动
a planned activity involving many people performing various actions
计划中的行动
A planned undertaking.
企业或组织
A business or organization.
外科手术
A surgical procedure.
从一个或多个值生成一个值的过程
A procedure for generating a value from one or more other values (the operands).
军事行动(如沙漠风暴行动)
A military campaign (e.g. Operation Desert Storm).
The factory's operation was smooth after the repair.
维修后工厂的运转很顺利。
用法提示：名词，表示'运转、运行'。
AI contextual example
The doctor performed a successful operation.
医生成功完成了一次手术。
用法提示：名词，表示'手术'。
AI contextual example
The math teacher explained the operation of addition.
数学老师解释了加法运算。
用法提示：名词，表示'运算'。
AI contextual example
用于表示系统或机构正在运行或工作中。
The factory has been in operation for 20 years.
这家工厂已经运营了20年。
常用于医学或技术语境。
The surgeons performed a delicate operation on the patient's heart.
外科医生对病人的心脏进行了精细的手术。
可指计算机运算或任何有步骤的过程。
We need to run an operation on the database to clean the records.
我们需要对数据库进行一次清理记录的操作。
强调顺序和步骤，常用于正式或技术语境
侧重动态进展，可指自然或人工过程
更具体，常指单个动作，非整套流程
更宽泛，可指持续性的任务，不一定是严格顺序
强调分派或职责，常用于工作或项目语境
grammar · medium
易错句子I operation the machine every day.
正确表达I operate the machine every day.
中文学习者常将名词 "operation" 误用作动词，而英语中对应的动词是 "operate"。应使用动词形式而非名词。
grammar · medium
易错句子The doctor performed operation on me.
正确表达The doctor performed an operation on me.
当 "operation" 表示“手术”时为可数名词，前面需要冠词 "a" 或 "an"。中文无冠词概念，学习者容易遗漏。
手术侧重开刀治疗，而操作可指任何程序性工作。
函数是输入到输出的映射，而运算是执行的具体步骤。
外科手术
The patient underwent a surgical operation to remove the tumor.
病人接受了切除肿瘤的外科手术。
商业运营
The company streamlined its business operations to increase efficiency.
公司简化了商业运营以提高效率。
军事行动
The general planned a military operation to secure the border.
将军计划了一次军事行动以保卫边境。
数学运算
Addition is a basic mathematical operation.
加法是一种基本的数学运算。
计算机操作
He has extensive knowledge of computer operation and programming.
他对计算机操作和编程有广泛的知识。
救援行动
The rescue operation saved dozens of people from the flood.
救援行动从洪水中救出了数十人。
operation常指外科手术，surgery是其具体形式
患者是接受operation的对象
外科医生执行operation
麻醉是operation中常用的程序
operation后的恢复阶段
在运转中；生效
The factory has been in operation for over a century.
这家工厂已经运转了一个多世纪。
停止运转；失效
The elevator is out of operation due to maintenance.
电梯因维护停止运行。
法律作用；法律效力
Property may pass by operation of law without any formal transfer.
财产可能根据法律效力转移，无需任何正式转让。
哥特蛇行动开始。
In the movie 'Black Hawk Down', the commander says 'Operation Gothic Serpent is a go.'
在电影《黑鹰坠落》中，指挥官说‘哥特蛇行动开始。'
发电机行动已开始。
In the movie 'Dunkirk', the navy officer says 'Operation Dynamo has begun.'
在电影《敦刻尔克》中，海军军官说‘发电机行动已开始。'
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.