The covariant equation of plane motion body in curved space-time is studied.
研究弯曲时空中平面运动刚体的动力学协变方程。
Vacuum solutions of conformally covariant equation for symmetric tensor field are discussed.
本文讨论了对称张量场共形协变方程的真空解。
According to the principle of relativistic covariance, this paper presents the relativistic covariant equation of current density.
从相对论协变性原理出发，得到了电流密度方程满足相对论协变性的自洽展开式。
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