A simple and effective compensation method in low frequency to extend the range of speed is introduced in the paper.

本文将介绍一种简单有效的低频补偿方法以扩大其调速范围。

youdao

Furthermore, they say, it is the best way for researchers to gather the range of observations that are necessary to speed up discoveries or to identify large-scale trends.

此外，他们说，这是研究人员收集各种观测资料的最佳方式，而这些资料是加快发现或确定大规模趋势所必需的。

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The vehicle must take off and land at an airport; once in the air, it can range 460 miles at a speed of 110 miles per hour.

这款飞行汽车必须在机场起飞和降落；一旦升空，它可以以110迈的速度最多飞行460英里。

youdao

Although Raytheon would not give details of the height, speed and range of the UAVs, saying that data "sensitive", it did say that the Navy wanted tests to be as realistic as possible, suggesting that the aircraft were behaving in the way military planners would expect them to.

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Part of that need will be met in the future by a new generation of rotorcraft, including the revolutionary MV-22 tiltrotor that combines the vertical agility of a helicopter with the speed and range of a fixed-wing plane.

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Finally, AgustaWestland surprised the HeliExpo crowd by revealing that it has been secretly testing an electrically powered tiltrotor, mixing the versatility of a vertical takeoff and land helicopter with the speed and range of a fixed-wing aircraft.

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