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萬國公制

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萬國公制,簡稱公制,或稱國際單位制,乃諸國共用之度量衡也,取十進制以計。人製之。初,陸諸國度量未一,格致商賈,多有不便。法國革命,立爲新制,後漸爲諸國所取。

法世仇,英治諸地多不行此法,至二十世紀下半葉,乃從之。遍觀當世諸國則於官惟美國緬甸賴比瑞亞未行耳。於民,諸地風俗各異,輒未一之,英人多行英制,華人多行市制是也,惟以官定算率可乘而換之也。

萬國公制七單位
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