Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.
根据变换
与
显含时间的
价性，提出了
与系统判据的同表述。
Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.
根据变换与显含时间的价性，提出了与系统判据的同表述。
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