俄罗斯统一电力系统 (UNIFIED ENERGY SYSTEM) 俄罗斯 公用事业 B+ 墨西哥沃尔玛超市 (WAL MART DE MEXICO SA) 墨西哥 基本消费品 B+
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世界上覆盖面积最大的电力系统是前苏联的统一电力系统。
Covering an area of the world's largest electric power system is a unified energy system of the former Soviet Union.
因此，IT系统将不再是那样地消耗资本了，这一系统只需要花费运营成本，就像电力系统一样。
It systems will increasingly no longer be a capital expense, but an operational cost, like electricity.
现代电力系统是一个巨大的统一的整体，系统中的装置以及所接的用电设备都是开放性设备，受到周围环境的影响。
Modern power system is a great unity of the whole system, device and electric equipment are connected are open equipment, under the influence of the surrounding environment.
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