本文利用转轴公式，对正多边形截面的任一形心轴均为其形心主惯性轴的结论进行证明，并对其在理论分析中的应用进行探讨。
This article tries to show, with the help of the formula of rotated axes, that centroidal axes of equilateral polygon is the centroidal axes and gives the research on its application.
本文利用转轴公式，对正多边形截面的任一形心轴均为其形心主惯性轴的结论进行证明，并对其在理论分析中的应用进行探讨。
This article tries to show, with the help of the formula of rotated axes, that centroidal axes of equilateral polygon is the centroidal axes and gives the research on its application.
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