UNITS OF THE INTERNATIONAL SYSTEM 国际制度的单位
The International System (abbreviated SI, for Systeme International, the French name for the system) was adopted in 1960 by the 11th General Conference on Weights and Measures. An expanded and modified version of the metric system, the International System addresses the needs of modern science for additional and more accurate units of measurement. The key features of the International System are decimalization, a system of prefixes, and a standard defined in terms of an invariable physical measure.
国际制度（国际制度的缩写为SI，是国际制度的法语名称）被1960年的第十一届大会用于度量衡。公制的扩大和修改版本，即国际制度针对了现代科学附加的及更加正确的度量单位的需要。国际制度的主要特点是采用了十进制法、字首体系、以不变的物理度量方式解释的标准。
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