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国际单位制已经米制条约参加国同意。从1970年起,国外一些国家陆续采用,如西德在计量法中,从1970年6月26日开始实行。至今习惯采用的热量单位kcal(千卡),压力单位公斤/米~2等非国际单位,准许使用至1977年12月31日,以后不许使用。英国以1975年,苏联以1978年,美国以1983年为目标,采用国际单位制以代替原有单位。现将国际单位制有关部分编译供参考。
The International System of Units has agreed with the countries participating in the Metric Treaty. Since 1970, some foreign countries have adopted one after another, such as West Germany in the metrological law, from June 26, 1970 came into operation. Has used to the calorimeter kcal (kilocalories), the pressure unit kilograms / m ~ 2 and other non-international units, allowed to use until December 31, 1977, the future may not be used. The United Kingdom in 1975, the Soviet Union in 1978, the United States in 1983 as the goal, the use of the International System of Units to replace the original unit. The relevant part of the system of international units compiled for reference.