释义 |
WordReference Random House Unabridged Dictionary of American English © 2024Interna′tional Sys′tem of U′nits, - Weights and Measures, Physicsan internationally accepted coherent system of physical units, derived from the MKSA system, using the meter, kilogram, second, ampere, kelvin, mole, and candela as the basic units (SI units) of the fundamental quantities length, mass, time, electric current, temperature, amount of substance, and luminous intensity. Abbr.: SI
- translation of the earlier French name Système Internationale d'Unités
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