英语词汇“Greenwich sidereal date, GSD”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Greenwich sidereal date, GSD
释义	Greenwich sidereal date, GSD 格林尼治恒星日期；从公元前４７１３年儒略历１月１日格林尼治平恒星时１２时起连续累计的恒星日数及日的小数。
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