Date of reference
volume
British pronunciation/dˈeɪt ɒv ɹˈɛfɹəns/
American pronunciation/dˈeɪt ʌv ɹˈɛfɹəns/

"date of reference"の定義と意味

Date of reference
01

(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded

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