rotary group number
... track motor rotary group 履带马达旋转组件 rotary group number 旋转群数 steering motor rotary group 转向马达旋转组件 ...
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基于旋转群代数，以航天器姿态控制研究为背景，提出了四元数的核心矩阵的概念。
A concept of kernel matrix of quaternion is proposed, which is based on rotation group algebra and with spacecraft attitude control as its background.
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