| the activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride"
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| 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"
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| 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"
同义词：procedure,
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| 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"
同义词：surgery, surgical operation, surgical procedure, surgical process,
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| (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"
同义词：mathematical process, mathematical operation,
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| activity by a military or naval force (as a maneuver or campaign); "it was a joint operation of the navy and air force"
同义词：military operation,
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| 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"
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| (psychology) the performance of some composite cognitive activity; an operation that affects mental contents; "the process of thinking"; "the cognitive operation of remembering"
同义词：process, cognitive process, mental process, cognitive operation,
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| (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"
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| process or manner of functioning or operating; "the power of its engine determines 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"
同义词：functioning, performance,
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| the state of being in effect or being operative; "that rule is no longer in operation"
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| 1. | The filter is now ready for operation .
这种滤器目前即将投入运转。
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| 2. | Their operations extended all over the town .
他们干活的地点遍及全城。
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| 3. | The device enables the operation of the act .
这一措施使法律正式生效。
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| 4. | The new system is now in full operation .
新的制度现在已全面实施。
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| 5. | This factory went into operation last year .
这个厂是去年投产的。
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| 6. | He is beginning to pick up after the operation .
手术后他的病有了起色。
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| 7. | Angina before operation is a serious problem .
手术前心绞痛是严重问题。
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| 8. | The salvage operation had been a complete failure .
打捞工作彻底失败了。
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| 9. | The newspapers often chronicled his operations .
报上经常报导他做的手术。
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| 10. | The operation was a marvel of medical skill .
这次手术是医术上的一个奇迹。
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