单词 | geocentric longitude |
释义 | geocentric longitude [¦jē·ō¦sen·trik `län·jǝ´tüd] ASTRONOMY The celestial longitude of the position of a body projected on the celestial sphere when the body is viewed from the center of the earth. GEODESY At a position on the earth's surface, the angle between the plane of the reference meridian and a plane through the polar axis and a line from the position in question to the center of mass of the earth. |
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