West and east Japan are unable to share electricity because of different transmission frequencies dating back more than a century.
目前日本的西部和东部不能够共用电能是因为不同的传输频率导致的，而这在一百多年前就如此了。
West and east Japan are unable to share electricity because of different transmission frequencies dating back more than a century.
目前日本的西部和东部不能够共用电能是因为不同的传输频率导致的，而这在一百多年前就如此了。
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