1981年7月14日我国国务院颁发了《中华人民共和国计量单位名称与符号方案(试行)》(以下简称《方案》)。随后,1982年2月10日国家出版局、中国国际单位制推行委员会发出了关于贯彻《方案》的联合通知。同年5月21日铁道部转发了这个联合通知,要求各单位认真贯彻执行。《方案》提 On July 14, 1981, the State Council of the People’s Republic of China issued the “Name of the Measurement Unit of the People’s Republic of China and the Symbol Scheme (Trial)” (hereinafter referred to as the “Program”). Subsequently, on February 10, 1982, the National Publications Bureau and the China International Organization System Promotion Committee issued a joint circular on the implementation of the “Programme.” On May 21 of the same year, the Ministry of Railways forwarded this joint notice and requested all units to implement it in earnest. The plan mentions