本文将力学中角动量矢量的规则进动的概念拓展到任意数学或物理矢量之上；
This article extends the concept of regular precession of angular momentum vector to any mathematical and physical vector.
本文将力学中角动量矢量的规则进动的概念拓展到任意数学或物理矢量之上；
This article extends the concept of regular precession of angular momentum vector to any mathematical and physical vector.
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