English中文
international system of units /ˌɪntənˈaʃənəl ˈsɪstəm ɒv ˈjuːnɪts/ n
English · international system of units中文 · 国际单位制
Significado：Decimal system established by the 11th General Conference on Weights and Measures (GCWM) in 1960 and used by many countries.
▶ Empezar la lección interactiva

Aparece en estas escenas ilustradas（2）

International System of Units International System of Units

‹ Ver todas las escenas