去年，由于使用永磁体代替电磁线圈转子的电动马达和发电机数量激增，钕的价格也增长了三倍。
Over the past year, the price of neodymium has quadrupled, as electric motors and generators that use permanent magnets instead of electromagnetic windings in their rotors have proliferated.
利用这一系统将使陆军在某些情况下减少发电机需求的数量或大小。
Utilizing this system will enable the Army to decrease the number or size - and in some cases, both - of generators needed.
也正是这种高温，为架设在从爱尔兰到印度尼西亚的世界各地的数量不多的地热发电机组提供了动力。
And it is the heat that powers a modest number of electricity generators around the world, from Iceland to Indonesia.
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