operation box操作框operationn.操作；运转；经营；行动；手术；运算；生效；（复）运筹学Operation on skin of head头部皮肤手术operation rationalization操作合理化operation control circuit操作控制电路operation under mild hurt微创手术operation of facial nerve面神经手术operation of fuzzy number风险评价operation in water supply供水调度Operation on ciliary body睫状体手术Operation Synchronization操作同步Operation on parotid duct腮腺导管手术

1. The extended working range can be operated at intervals.
   扩展的工作范围以间隔形式工作。
2. But the size of VSD is smaller and the time for operation and hospitalization is shorter in the group of transcatheter occlusion.
   封堵术组的室间隔缺损较手术组的小，但手术及住院时间较短。