Thian-bûn tan-ūi
Thian-bûn tan-ūi (
Bureau International des Poids et Mesures kiàn-gī iōng "ua" chò tan-ūi ê hû-hō, m̄-koh Kok-chè Thian-bûn Chó·-ha̍p (International Astronomical Union) kiàn-gī iōng "au", ah ISO 31-1 iōng "
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Thian-bûn tan-ūi (
Bureau International des Poids et Mesures kiàn-gī iōng "ua" chò tan-ūi ê hû-hō, m̄-koh Kok-chè Thian-bûn Chó·-ha̍p (International Astronomical Union) kiàn-gī iōng "au", ah ISO 31-1 iōng "
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