电力发动机 meaning in Chinese

motors-electric

Dr gaylon murphy , a cardiovascular surgeon from aliso viejo , and steve zingali , an engineer in mission viejo , built the fleet of carbon fibre - reinforced foam flying saucers in their garages . the discs are 3ft in diameter , about 1in thick , weigh less than 17oz and can reach 40mph powered by a tiny electric motor
这些飞碟的直径为3英尺约为0 . 9米，厚度为1英寸约合2 . 5厘米，重量不足17盎司约合0 . 48公斤，时速为40英里，它们靠一个小型的电力发动机驱动。
The low ceiling and the use of lightweight materials make for a far more streamlined vehicle , which in turn requires only a modest electric motor : though engineers have not yet decided whether the superbus will be powered by fuel cells or batteries , they estimate that it will be able to accelerate from rest to 100kph in a leisurely 36 seconds
低车顶和轻质材料令车身更符合流线型，这样的汽车对电力发动机的要求不高：虽然工程师们还没有决定是否让超级巴士采用电池供能，但他们估计该汽车静止加速到时速100公里仅仅需要36秒。