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标题(Title) | 33 个字符(一般不超过80个字符) |
CA.3 Fundamental Astronomy - Home
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关键词(KeyWords) | 433 个字符(一般不超过100个字符) |
IAU, Commission A3 - Standards of Fundamental Astronomy, authoritativealgorithms, fundamental astronomy, standard models, canonical routines, precession, nutation,sidereal time, calendars, time scales, astrometry, earth rotation, ephemerides, geocentricgeodetic transformations, space motion, star catalog conversions, reference frames, reference systemsnumerical standards, cartographic coordinates, rotational elements, resolutions
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描述(Description) | 254 个字符(一般不超过200个字符) |
IAU C.A3 - Fundamental Standards: A Commission of IAU Division A
to facilitate advances in astronomy, and other fields in science and engineering, by developing,
implementing, and communicating fundamental IAU-endorsed standards for fundamental astronomy
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