Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.
根据变换方程与约束方程显含时间的
价
，提出了定常约束与定常系统判据的同表述。
格朗日（法国著名数学家，力学家）格朗日乘子Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.
根据变换方程与约束方程显含时间的价，提出了定常约束与定常系统判据的同表述。
声明：以上例
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