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。
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。
A single character for use in integral invariant of nonholonomic conservation systems is proved and is subject to some conditions.
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