单词 | perpendicular axis theorem |
释义 | perpendicular axis theorem [¦pǝr·pǝn¦dik·yǝ·lǝr `ak·sǝs ´thir·ǝm] MECHANICS A theorem which states that the sum of the moments of inertia of a plane lamina about any two perpendicular axes in the plane of the lamina is equal to the moment of inertia about an axis through their intersection perpendicular to the lamina. |
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