... genesis起源、发生、创始 geometrical moment of inertia几何惯性矩 geometry几何(学)、几何形状(图形) ...
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processional moment , inertia moment
The cross-section design according to the invention allows the geometrical moment of inertia to be substantially increased as compared to conventional cross-section designs.
相比于通常的横截面,采用这种横截面设计 可以明显提高平面惯性矩。
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