惯性积(product of inertia):物体相对于一组相互正交的两平面而言 的,质量微元dm和此微元到各平面的最短距离的乘积,再对整个物体质 量进积分。
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The bending stiffness of elastoplastic member is product of tangent elastic modulus of material and inertia moment of the section.
抗弯刚度的概念是材料切线模量和截面对中和轴的惯性矩的乘积。
Just as linear momentum is the product of mass and velocity, so the angular momentum of a body is defined as the product of its moment of inertia and its angular velocity.
正如线性动量是质量和速度乘积一样,物体角动量也定义为其惯性矩和角速度的乘积。
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