例句與造句

1. why second moment of inertia is needed  Preceding contribs ) 12 : 14, 29 September 2009 ( UTC)
2. The second moment of inertia of the universal beam is nine times that of the square beam of equal cross section ( universal beam web ignored for simplification)
3. :The second moment of inertia is, apparently, the same thing as the second moment of area : a measure of the resistance of a shape to bending and deflection.
4. It's difficult to find second moment of inertia in a sentence. 用second moment of inertia造句挺難的