metric systemglossary / METRIC SYSTEM metric system. A decimal system for measuring length, weight, area, or volume, based on the meter as a unit length and the kilogram as a unit mass. 词条贡献者 双语律师Natalie,毕业于法国一流的高级翻译学院,擅长翻译各类与监管与政府事务相关的法律文件。