| 单词 | Routh's rule of inertia |
| 释义 | Routh's rule of inertia [`rau̇ths `rül ǝv i`nǝr·shǝ] MECHANICS The moment of inertia of a body about an axis of symmetry equals M(a2 + b2)/n, where M is the body's mass, a and b are the lengths of the body's two other perpendicular semiaxes, and n equals 3, 4, or 5 depending on whether the body is a rectangular parallelepiped, elliptic cylinder, or ellipsoid, respectively. |
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