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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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