operation
英 [ɒpə'reɪʃ(ə)n]
美[,ɑpə'reʃən]
	    - n. 操作;经营;[外科] 手术;[数][计] 运算
 
英英释意
- 1. a business especially one run on a large scale;
 - "a large-scale farming operation"
 - "a multinational operation"
 - "they paid taxes on every stage of the operation"
 - "they had to consolidate their operations"
 
- 2. a planned activity involving many people performing various actions;
 - "they organized a rescue operation"
 - "the biggest police operation in French history"
 - "running a restaurant is quite an operation"
 - "consolidate the companies various operations"
 
- 3. a process or series of acts especially of a practical or mechanical nature involved in a particular form of work;
 - "the operations in building a house"
 - "certain machine tool operations"
 
- 4. the state of being in effect or being operative;
 - "that rule is no longer in operation"
 
- 5. a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body;
 - "they will schedule the operation as soon as an operating room is available"
 - "he died while undergoing surgery"
 
- 6. activity by a military or naval force (as a maneuver or campaign);
 - "it was a joint operation of the navy and air force"
 
- 7. (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction);
 - "it can perform millions of operations per second"
 
- 8. process or manner of functioning or operating;
 - "the power of its engine determine its operation"
 - "the plane's operation in high winds"
 - "they compared the cooking performance of each oven"
 - "the jet's performance conformed to high standards"
 
- 9. (mathematics) calculation by mathematical methods;
 - "the problems at the end of the chapter demonstrated the mathematical processes involved in the derivation"
 - "they were learning the basic operations of arithmetic"
 
- 10. (psychology) the performance of some composite cognitive activity; an operation that affects mental contents;
 - "the process of thinking"
 - "the cognitive operation of remembering"
 
- 11. the activity of operating something (a machine or business etc.);
 - "her smooth operation of the vehicle gave us a surprisingly comfortable ride"