Constant speed drive, a hydro-mechanical component for changing variable engine gearbox speed to constant speed to drive the electrical power.

恒速驱动装置，将发动机齿轮箱的可变转速转变为恒速以驱动电源的液压机械式部件。

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An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia.

ABB的一个变速驱动系统正在为波音公司在费城的旗舰风洞的大型风扇提供动力，以制造出次音速风速。

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"We looked into installing a variable speed drive on the press," explains Yager, "so we could stamp the aluminum at the slower speed and the steel at the original speed."

我们考虑在压机上安装一个可变速的驱动装置，这样我们就可以冲压铝件时降低速度，冲压钢件时恢复原来的速度。

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It's located near the Olympics venue for long track speed skating in Richmond, about a 30-minute drive south from downtown Vancouver.

VOA: standard.2010.02.23

Even though a hard drive spins at 7200 times per minute or even faster, that's relatively slower than the speed of light.

即使一个硬盘驱动器的转速达到每分钟7200次,甚至更快，仍然比光速慢。

哈佛公开课 - 计算机科学课程节选

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Boasting solid state drive (SSD) like speed and hard disk drive capacity, the new Seagate Laptop and Laptop Thin SSHDs are the most affordable way to increase your laptop performance.

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