Still,the majority of Japans power grid remains above ground. One argument against subterranean systems has been put forward by the Tokyo Electric Power Company,or TEPCO. While the company itself has publicized the superior aesthetics anddurability against wind and snow mentioned above, it also acknowledges certainadvantages to the more common above-ground system. “In the events of floodingor landslides, its harder to isolate damaged areas of a subterranean system,”the company points out. “That can increase the amount of time necessary torestore power to damaged areas.” 然而,如今日本大部分的电网还是位于地面上空。日本东京电力公司也反对在地底建电网。该公司也承认说地底线缆不会对风景造成破会,也有利于抵御风雪,但是又称更加普遍的地上电网所具有的某些优势。“在发生洪水或者泥石流时,很难区分地底电缆系统的哪些部分遭到破坏,”该公司称。“这增加了抢救电力所需要的时间。”
TEPCO also mentions other, simpler roles performed by power poles, such as providing housing for street lights and posting space for maps or address markers, whichcan be extremely helpful in navigating towns in Japan, where only a minusculefraction of streets have names. 该公司还指出了电线杆所扮演的其他简单的角色,比如可以用来布置街灯,为地图和地址标记提供定位空间,这对于日本的村镇导航来说非常有帮助,因为在这些小地方只有一小部分街道有名字。
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