释义 |
equatorial bulge
equatorial bulgen. The gradual increase of the radius of a planet or star from the poles to the equator, resulting in a deviation from a perfect spherical shape, caused by the object's rotation.Translationsrigonfiamento equatorialeequatorial bulge
equatorial bulge[‚e·kwə′tȯr·ē·əl ′bəlj] (geodesy) The excess of the earth's equatorial diameter over the polar diameter. equatorial bulgeThe difference between the diameters of the earth at the equator and the poles. Because of this, the earth is an oblate spheroid. |