axis of rotation

基本解释

The Earth's axis of rotation is tilted in relation to the ecliptic plane, an imaginary surface through Earth's orbit around the sun.
地球的自轉軸與黃道麪呈一定角度。黃道麪是地球公轉軌道所在的一個假想平麪。
You have a spinning wheel, but that spinning wheel is mounted in such a way that you cannot put a torque on the axis of rotation of the spinning wheel.
你們有一個鏇轉的輪子，但是,它安裝的方式使你無法,使力於鏇轉的輪子,轉動的軸心上。
The radius from the axis of rotation-- - the axis of rotation is here-- and the distance from here to here, though you may not think so, is about 15 meters.
半逕是這個轉動軸-,轉動軸在這裡-,距離從這裡到這裡，你們也許想不到，有15米。

Today motion sensing has progressed to being three-axes of acceleration, and three axis of rotation (technically called gyroscopes).
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