旋转次数 [
xuán zhuǎn cì shù]
[机] number of revolution
- 引擎速度可以用每分钟的旋转次数来测量。
The speed of an engine can be measured in revolutions per minute. - 仿真结果表明,尺度减小,磨损系数变小,增大载荷或增加微枢轴旋转次数均会加剧磨损程度。
It is indicated that the wear coefficient decreases with the decrease of the scaling and the wear becomes serious with the increase of the applied loading or the rotation numbers. - 这是一个无人驾驶的双翼飞机,它有着自动钢琴的风箱来为回旋装置提供动力,以及一个收银机的机械装置——通过记录类似螺旋推进器的转子的旋转次数来计算飞行的距离。
It was an unmanned biplane with player-piano bellows to power its gyroscope and a cash-register mechanism that calculated distance flown by counting the rotations of a propeller-like rotor.
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