Closed form kinematic equations of main feed mechanism are established, one and two order effect coefficient matrixs are derived.
建立了主进给机构的封闭形式的运动学方程，导出了一、二阶运动影响系数矩阵。
It is meaningful to study solutions to closed boundary value problems for equations of mixed type, which is closely related to physical phenomena.
混合型方程的封闭边界值问题的解的研究是很有意义的，它与物理现象紧密联系在一起。
Generalized DAlembert-Lagranges principle for non-holonomic mechanics, including its Newtons formulation and Lagrangian formulation, are given. This principle can lead to the closed motion equations.
提出非完整力学的广义达朗贝尔-拉格朗日原理，包括其牛顿表述和拉格朗日表述。此原理能导出态空间封闭的运动方程组。
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