| 释义 | si unit短语⁷⁹⁰⁴⁶ 基本英英近义反义
 abbr. 国际单位制=Systeme International unit; =International System of Units
 
 Noun:
 a complete metric system of units of measurement for scientists; fundamental quantities are length meter and mass kilogram and time second and electric current ampere and temperature kelvin and amount of matter mole and luminous intensity candela;
 Today the United States is the only country in the world not totally committed to the Systeme International d'Unites近义词 SI国际单位制SI system国际单位制international system of units国际单位制Systeme International d'Unites法国际单位制… |