metric system
noun
- the decimal measuring system based on the metre, litre, and gram as units of length, capacity, and weight or mass. The system was first proposed by the French astronomer and mathematician Gabriel Mouton (1618-94) in 1670 and was standardized in France under the Republican government in the 1790s.公制, 米制（最早由法国数学家、天文学家加布里埃尔·穆通[1618-1694]在1670年提出, 18世纪90年代被当时的共和政府作为标准推广）。