名词

1.不可数名词：运转，操作，工作

2.可数名词：行动

3.可数名词： [~ (on sb) (for sth)，~ (to do sth)]【医】手术

4.可数名词：公司

5.可数名词：( 通常作复数）（作战或训练中的）军事行动，作战行动

6.[sing]用作军事行动代号的一部分

7.可数名词：（通常作复数）（工商业等的）有计画的业务活动

8.可数名词： 【数】运算

单词分析

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。

英语解释

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

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

(mathematics) calculation by mathematical methods

process or manner of functioning or operating

the state of being in effect or being operative

a business especially one run on a large scale

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

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

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

a planned activity involving many people performing various actions

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