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"