| 释义 |
国际单位制guójì dānwèizhì一种计量制度,1960年第十一届国际计量大会通过采用。长度的单位米,质量的单位千克(公斤),电流强度的单位安培等,是国际单位制的基本单位;由基本单位推导出来的单位叫导出单位,如面积的单位平方米,速度的单位米/秒等。{international unit system; international system of units; measurement system approved and adopted by the 11th International Measurement Conference in 1960, with the metre as the basic unit of length, the kilogramme for weight, and the ampere for electric current; a unit that is derived from the basic unit is called a derived unit, e.g. the unit of square metre for area, and metre per second for speed;}简称{abbr.}国际制{guójìzhì}。 |