System of dual power supply is the effective guarantee of safety operation for some important power users.
双电源系统是重要电力负荷安全运行的有效保障，而电源转换开关是连接两个电源的重要枢纽。
The latter I think, however, is less important for power users, since they'll probably dive deeper in the ESBs than the graphical tools restrict you to.
但是，我认为后者对于高水平使用者不太重要，因为他们对esb的深入了解，使其不受限于那些图形化工具。
Distribution power system is at the end of the whole power system, it is connected directly to the users, so it is a very important tache to supply and distribute electric power to the users.
配电系统处于电力系统的末端，直接与用户相连，是包括发电、输变电和配电在内的整个电力系统与用户联系，向用户供应电能和分配电能的重要环节。
Self-prepared emergency power sources for power users is an important sector to deal with sudden electric events.
电力用户自备应急电源是应对电力突发事件的重要环节。
Distribution system is a link by which users are connected with the whole power system. Its risk level is concerned by power supply companies and users, so it is a very important research direction.
配电系统作为电力系统中电网与电力用户相连的纽带，其风险水平是供电企业和用户非常关心的问题，因而是非常重要的研究方向。
Distribution system is a link by which users are connected with the whole power system. Its risk level is concerned by power supply companies and users, so it is a very important research direction.
配电系统作为电力系统中电网与电力用户相连的纽带，其风险水平是供电企业和用户非常关心的问题，因而是非常重要的研究方向。
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