A linear integral invariant, a universal integral invariant and an absolute integral invariant of second order of the system are obtained under the given condition.
给出系统存在积分不变量的条件，在此条件下导出系统的线性积分不变量、通用积分不变量和二阶绝对积分不变量。
A single character for use in integral invariant of nonholonomic conservation systems is proved and is subject to some conditions.
通过寻找积分因子来建立非完整非保守系统的守恒律，讨论了存在守恒定律的必要条件，并举例说明其应用。
The integral invariant construction of holonomic nonconservative dynamical systems in the high-dimensional extended phase space;
在高维增广相空间中研究广义经典力学系统的精确不变量和绝热不变量 。
The integral invariant construction of holonomic nonconservative dynamical systems in the high-dimensional extended phase space;
在高维增广相空间中研究广义经典力学系统的精确不变量和绝热不变量 。
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