尽管电动客机还属于遥远的未来，但电池驱动的运动飞机和小型直升飞机再过几年就可以推向市场。
While plans for electric powered passenger planes are still way in the future, sport airplanes and small helicopters powered by batteries could be on the market in the next few years.
虽然波音公司去年进行了燃料电池动力机的试行，但飞机是在电瓶驱动的电动机的帮助下升空的。
Although Boeing made fuel cell flight trials last year, the aircraft took to the air with help from a battery-electric motor.
什么是现在的石油驱动的电动汽车和飞机的起源？
What was the origin of the oil which now drives our motor-cars and aircraft?
本文针对“十五”航空基金项目—新型航空用直线直流电动机驱动控制系统，研究了飞机应急放油阀用航空直线步进电动机的驱动控制技术。
The thesis studies mainly the drive and control technique of aeronautic linear DC step motor(LDCSM) used in emergency discharging oil valve on airplane.
本文针对“十五”航空基金项目—新型航空用直线直流电动机驱动控制系统，研究了飞机应急放油阀用航空直线步进电动机的驱动控制技术。
The thesis studies mainly the drive and control technique of aeronautic linear DC step motor(LDCSM) used in emergency discharging oil valve on airplane.
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