- second moment of area
- 断面: section; fracture surface; p ...
- 惯性: inertia; inertance; sluggish ...
- 矩: carpenter's square; square r ...
- 截面惯性矩: cro sectional moment of inertia; cross sectional moment of inertia; second moment of area；moment of inertia; secondmomentofarea
- 横截面惯性矩: moment of inertia of cross-section
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