The key features of the International System are decimalization, a system of prefixes, and a standard defined in terms of an invariable physical measure.
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。