惯性矩

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[力] moment of inertia
惯性矩 (moment of inertia):物体相对于某坐标轴而言的,质量微元 dm和此微元到某坐标轴的最短距离的平方之积,再对整个物体质量进行积分。
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geometrical moment of inertia
... geometrical mechanics几何力学 geometrical moment of inertia惯性矩 geometrical optics几何光学 ...
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rotational inertia
... thermal inertia热惰性；热惯性（温升速率的倒数）；热惯量 rotational inertia转动惯量；转动惯性；惯性矩 inertia moment惯性力矩，惯性矩；惰性力矩 ...

短语

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质量惯性矩
mass moment of inertia ; maskant moment of inertia
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轴惯性矩
axial moment of inertia ; equatorial moment of inertia ; axial area moment of inertia ; moment of inertia of axis
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惯性矩面积仪
仪 integrometer

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本文利用钻头不同位置不同方向的惯性矩和挠曲对其弯曲刚性进行解析。
This paper by means of different locations inertia moment of different directions and bending of the drill, analyses its bending rigidity.
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一个厘米截面的特性称为单位特性，即单位截面模量和单位截面惯性矩。
The properties of these one centimetre sections are called unit properties, that is unit section modulus and unit moment of inertia.
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落体法测量构件惯性矩的优点是：无需添置特殊的测量装置，成本低廉。
The measuring methods have the advantages that it needs no special measuring devices and costs less.

惯性矩
惯性矩(moment of inertia of an area)是一个几何量，通常被用作描述截面抵抗弯曲的性质。惯性矩的国际单位为(m4)。即面积二次矩，也称面积惯性矩，而这个概念与质量惯性矩（即转动惯量）是不同概念。

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