Coordinate System is an alternate definition of a part's position in space that is more convenient for the inspector than its true coordinates.

坐标系是部件空间位置的替代定义，对于检查器来说，该替代定义比部件空间位置的真实坐标更为方便。

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Then obtaining the whole car dynamics parameters based on mass center coordinates formula of space force system and torque translation theorem.

再根据空间力系质心坐标公式和力矩平移定理求得整车的动力学参数。

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Firstly, the bridge structure is combined with wind as a whole system, and the system's state-space equation about the generalized coordinates of modes is assembled.

首先，将结构和气流整个作为一个系统，组集系统关于模态广义坐标的状态空间方程。

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