单词	empty event
释义	empty event [计] 空事件
随便看	operation(al) cost operational cost control operational costs operational counter operational creativity operational criterion operational cycle time operational damage operational damages operational data operational data analysis operational database operational data store operational decision operational decision making operational defect operational definition operational delay operational delay time operational design operational design and analysis operational details operational development operational diagnostics operational differential amplifier 351331134 351334451 351334454 351342515 351354 351355 351355134 3514312 3515 3515115 00032 00033 00034 00035 00036 00037 00038 00039 00040 00041