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地心天球参考系
释义
地心天球参考系
Encyclopedia
理学
时空参考系
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Geocentric Celestial Reference System;GCRS
地心天球参考系
由国际天文学联合会(IAU)定义的广义相对论框架下使度规满足谐和规范条件的一种适用于地球及其邻近区域的局域时空参考系。简称GCRS。
Astronomy
全称:Geocentric Celestial Reference System。缩写:GCRS
地心天球参考系
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