SI

劍橋詞典

abbreviation for Système International: the international system of units used for scientific measurements , with standard base units such as the metre and the kilogram
國(guó)際單位制（Système International 的縮寫(xiě)）
The SI unit of electric current is the ampere . 電流的國(guó)際單位制單位是“安培”。 返回 SI