... 操作与维护 Operation & Maintenance 操作与维护链路 Operation and Maintenance Link 操作支撑部分 Running Support Part ...
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Operation, administration and maintenance (OAM) sublayer do management in data link layer.
操作、管理和维护(oam)子层实现以太网数据链路层中的网络管理。
How to make good routine maintenance and management of audiovisual teaching equipment for our department is an important link, which concerns the normal operation of teaching.
教研室电化教学设备的维护与管理工作，是关系到教学工作能否正常开展的重要环节。
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