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计量单位是在各国、各个学科领域内相对独立地发展起来的,十分繁杂,甚至同一学科内,就有几套完整并行的单位制,使经济和文化交流造成很多麻烦,人力、物力、时间造成浪费。于是,人们感到有必要建立一套世界统一的单位制。一国际单位制世界性统一计量单位的历史开始于十八世纪末叶。1875年建立了承担这一神圣使命的国际机构——国际计量局。起初只局限于
Unit of measurement is developed relatively independently in various countries and disciplines. It is quite complicated. Even within the same discipline, there are several sets of unit systems that are completely parallel to each other, causing a lot of troubles in economic and cultural exchanges, and resulting in manpower, material resources and time waste. Therefore, people feel it is necessary to establish a unified system of units in the world. The history of a worldwide unit of measurement of an international unit began in the late eighteenth century. In 1875 established an international agency undertaking this sacred mission - International Bureau of Weights and Measures. At first it was limited to