international system of units
英
美
- n.国际单位制;国际计量单位制
详细释义
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"
相关词汇
- SI 国际单位制
- SI system 国际单位制
- si unit <法>国际单位制(=S...
- Systeme International d'Unites [法]国际单位制...
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