Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.
根据变换方程与约
方程显含
等价性，提出了定常约与定常系统判据等
。
,与
有关Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.
根据变换方程与约方程显含等价性，提出了定常约与定常系统判据等。
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