单词 | international ellipsoid of reference |
释义 | international ellipsoid of reference [¦in·tǝr¦nash·ǝn·ǝl ǝ`lip´sȯid ǝv `ref·rǝns] GEODESY The reference ellipsoid, based upon the Hayford spheroid, the semimajor axis of which is 6,378,388 meters; the flattening or ellipticity equals 1/297; by computation the semiminor axis is 6,356,911.946 meters. Also known as international spheroid. |
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