范文：
Electric Power is a most convenient clean safe.And electric power system is a network of electrical components used to supply，transmit and use electric power.
电力是最方便、清洁、安全的。而电力系统是用于供电、传输和使用电力的电气元件网络。
An example of an electric power system is the network that supplies a region’s homes and industry with power — for sizable regions，this power system is known as the grid and can be broadly divided into the generators that supply the power.
电力系统的一个例子是为一个地区的家庭和工业提供电力的网络相当大的地区，这种电力系统被称为网格，可以大致分为供应电力的发电机。
the transmission system that carries the power from the generating centres to the load centres and the distribution system that feeds the power to nearby homes and industries.
产生的传输系统，携带能力中心的负荷中心和分布系统源附近的住宅和工业的力量。
Smaller power systems are also found in industry, hospitals, commercial buildings and homes. The majority of these systems rely upon three phase AC power the standard for large scale power transmission and distribution across the modern world.
在工业、医院、商业建筑和家庭中也可以找到较小的电力系统。这些系统中的大多数依赖于三相交流电源，这是现代世界大规模输电和配电的标准。
宜木构思家具
