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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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