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Terms for subject Bridge construction containing polar | all forms | exact matches only
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polar equation极坐标方程
polar moment of inertia极惯矩
polar moment of inertia of a cross section截面极惯性矩
polar moment of inertia of sectional area断面积二次极矩
polar second moment of sectional area截面极惯性矩
scond polar moment of sectional area截面二次极矩