| 单词 | rotational axis | 
| 释义 | rotational axis Some of these could emit a gamma-ray burst that funnels radiation very narrowly along the star’s rotational axis. Retrieved from Wikipedia CC BY-SA 3.0  When an off-kilter magnetic field swings around the rotational axis, it creates periodic radio signals that can be used to calculate its rotation. Retrieved from Wikipedia CC BY-SA 3.0  Archer notes that an explosion triggered on the surface of the comet by the away team has altered the comet's rotational axis. Retrieved from Wikipedia CC BY-SA 3.0  This device uses a cylindrical rotor with longitudinal ducts parallel to its rotational axis. Retrieved from Wikipedia CC BY-SA 3.0  These cams are principally used to convert rotational motion to linear motion parallel to the rotational axis of the cylinder. Retrieved from Wikipedia CC BY-SA 3.0  | 
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