目前，社会上经常出现一些新老计量单位混用现象，给人们的生产、生活带来极大的不便。比如“江西省石油总公司加油券”（97年汽油票），其计量单位全部是用“公升”，这往往让人误解1公升等于2升，这显然是错误的。我国规定采用的法定计量单位，是以国际单位制单位为基础，为 At present, there are often mixed phenomena of new and old measuring units in society, which bring great inconvenience to people’s production and living. For example, “Jiangxi Petroleum Corporation coupons” (1997 gasoline vote), all of its units of measurement are “liters”, which often make one misunderstanding 1 liter is equal to 2 liters, which is obviously wrong. The statutory units of measurement adopted by our country are based on the unit of the international system of units