单词 | equatorial system |
释义 | equatorial system [´e·kwǝ`tȯr·ē·ǝl `sis·tǝm] ASTRONOMY A set of celestial coordinates based on the celestial equator as the primary great circle; usually declination and hour angle or sidereal hour angle. Also known as celestial equator system of coordinates; equinoctial system of coordinates. |
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