The switching and maintenance software is an important component and the system platform of the switch software.
交换与维护软件是交换机软件的重要组成部分和系统平台。
Switching mode power supply and battery not only make communication stations function reliably, but also are maintenance main parts.
开关电源及蓄电池为各局站的可靠运行提供了动力保障，同时也是日常维护的重点。
Routine maintenance, repair or fuse replacement etc may be performed only after powering off or switching off.
在确保切断电源及拨下电源插头的情况下，方可进行仪器的日常维护、修理或者更换保险丝等工作。
The scheme provided by the embodiment of the invention realizes great reduction of maintenance cost, service-lossless load protection switching, and the improvement of end-user experience.
本发明实施例提供的方案实现极大地降低了维护开销，实现业务无损的承载保护切换，提升了终端用户体验。
The design of a real-time network database structure and its implementation method will determine, to a great extent, the performance of an automatic maintenance and switching scheduling system.
实时网络数据库的数据结构设计和实现方法在很大程度上决定了计算机辅助的检修票和操作票开票软件的成败与效果。
This automatic switching device with institutions reasonable, convenient operation and maintenance, safe and reliable.
本自动切换装置具有机构合理、操作维修方便、安全可靠等优点。
This automatic switching device with institutions reasonable, convenient operation and maintenance, safe and reliable.
本自动切换装置具有机构合理、操作维修方便、安全可靠等优点。
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