instantaneous axis of rotation [力] [机] 瞬时转动轴 ; 瞬时旋转轴线 ; [力] 转动瞬轴 ; [力] 瞬时旋转轴
fixed axis of rotation 鱼眼透镜 ; 固定数组多元激光雷达
permanent axis of rotation 稳定旋转轴
instant axis of rotation 瞬时转动轴 ; 瞬时旋转轴 ; 旋转轴
axis of rotation of ecliptic 黄道回转轴
reference axis of rotation [机] 基准回转轴线
symmetry axis of rotation 又称旋转轴 ; 旋转对称轴
common axis of rotation 共同的旋转轴
propeller axis of rotation 螺桨转轴
axis of rotation [机] [数] 旋转轴 ; [机] 转动轴 ; 自转轴
Precession, basically is the change in the direction of earth's axis of rotation.
岁差，基本上是地球自转轴方向的改变。
The Earth's axis of rotation is tilted in relation to the ecliptic plane, an imaginary surface through Earth's orbit around the sun.
地球的自转轴与黄道面呈一定角度。黄道面是地球公转轨道所在的一个假想平面。
For the moment of inertia, we want the square of a distance to the axis of rotation.
至于转动惯量，要求的其实是到旋转轴距离的平方。
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