秬黍

秬(注音:ㄐㄩˋ,拼音:jù )黍,又称黑黍[1],是的一种。中国古代的度量衡以产于羊头山附近(今山西省长治市)所产的,中等大小的秬黍的种子为基准单位。唐代规定“凡权衡度量之制:度,以北方秬黍中者一黍之广为分,十分为寸,十寸为尺,十尺为丈。量,以秬黍中者容一千二百为龠,二龠为合,十合为升,十升为斗;三升为大升,三斗为大斗,十大斗为斛。权衡:以秬黍中者百黍之重为铢,二十四铢为两,三两为大两,十六两为斤。”

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