Metrication

（重定向自Metrification）

A speedometer used in American and British cars, showing the speed of the vehicle in miles per hour (outer, in white) and kilometres per hour (inner, in red) – for Canadian[1] vehicles the scales are reversed

A speedometer from an Australian car, showing the speed of the vehicle only in km/h, as in almost all countries.

An example of metrication in 1860 when Tuscany became part of modern Italy

Countries by date of metrication. Colours red to green show the pattern of metrication from 1795 to 1998. Black identifies countries that have not adopted the metric system as the primary measurement system. White identifies countries that already used the metric system at the time they gained their independence.

Metrication or metrification is conversion to the metric system of units of measurement. Worldwide, there has been a long process of independent conversions of countries from various local and traditional systems, beginning in France during the 1790s and spreading widely over the following two centuries, but the metric system has not been fully adopted in all countries and sectors.

单词	Metrification
释义	Metrification 原声例句经济学人 Culture Mr Vincent traces the enduring resistance to metrification, meeting an activist in Britain who pastes imperial units over metric signs. 文森特先生追溯了对公制化的持久抵制，他在英国会见了一位将英制单位粘贴在公制符号上的活动家。经济学人 Culture The leaders of the French revolution were so taken by the social power of measurement that they undertook an almighty project: metrification. 法国大革命的领导人被测量的社会力量所吸引，以至于他们进行了一项万能的项目：计量化。英语百科 Metrication （重定向自Metrification） Metrication or metrification is conversion to the metric system of units of measurement. Worldwide, there has been a long process of independent conversions of countries from various local and traditional systems, beginning in France during the 1790s and spreading widely over the following two centuries, but the metric system has not been fully adopted in all countries and sectors.
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