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杰瑟普湖
"相关结果 130条The definition and the criterion of a Mei symmetry for a holonomic system are obtained in this paper.If the Mei symmetry is a Noether symmetry，the Noether conserved quantity is given，If the Mei symmetry is a Lie symmetry，the conserved quantity of Hojman type is obtained.An example is given to illustrate the application of the result.
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