权威例句
International System of Units[International system of units][International system of units]Guide for the Use of the International System of Units (SI)Stable isotopes and the international system of unitsStable isotopes and the international system of units (p 1270-1273)[The International System of Units]international system of units; physical constants and conversion factorsInternational system of units (SI) in physiology.Adapting the International System of Units to the twenty-first centuryThe international system of units[The international system of units]Steam tables:thermodynamic properties of water including vapor, liquid, and solid phases ; International System of units--S.I