1、
the equipollence of the suppose of symmetry and conservation principle in different consult system
经典物理中不同参考系对称性与守恒定律前提等价性的讨论
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2、
a study on affine equipollence problem of hexagon inscribed and circumscribed in an ellipse
论椭圆及其内接、外切六边形的仿射等价问题
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