Studies application of matric method to deal with fixed point rotation of rigid body, and infers instantaneous axis equation.
介绍了用矩阵讨论刚体定点转动瞬轴的方法，在此基础上推导出转动瞬轴方程。
The paper deduces the general formulae of the sweet point about the rotation around a fixed point of rigid body, from the kinetic equation of it, and puts formulae to use for special rigid bodies.
从刚体定点转动的动力学方程出发，推导定点转动刚体打击中心位置的普遍表达式，并通过特例加以应用。
With the focus serve fixed on the rotating shaft to adjust the focus point up and down, it is capable of accurately making up position change of the disk recording area at rotation.
本发明通过在摇臂的旋转轴结合部设置聚焦伺服用调节器，来上下调节凝聚在光盘记录面的焦点，从而能够准确补偿光盘旋转时产生的光盘记录面的位置变化。
Precision fixed-point rotation of containers and high overlapping precision during labeling to yield steady labeling, and smooth and aesthetic exterior appearance.
贴标时容器精密定点旋转，稳定贴标达到贴标外观平整美观，重叠时精密度高。
Precision fixed-point rotation of containers and high overlapping precision during labeling to yield steady labeling, and smooth and aesthetic exterior appearance.
贴标时容器精密定点旋转，稳定贴标达到贴标外观平整美观，重叠时精密度高。
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