国际棉花贸易品质标准有如下三种形式:(１)美国农业部的国际“通过标准”:等级和颜色以美国农业部每年制定的标准为贸易中的品质标准,由于该标准已被国际上广泛接受,因此该标准既被叫作“美棉标准”。又被称作“国际通用标准”。(２)小样标准:此标准一般以卖方提供的小样作为品质标准。一般小样仅代表等级,长度、细度、强力等 There are three types of international quality standards for cotton trade: (1) USDA International “Passing Standards”: Grades and Colors The USDA’s annual standards set the standard for quality in trade as the standard has been internationally accepted Accepted, so the standard is called both “American cotton standard.” Also known as “international standard”. (2) sample standard: This standard is generally provided by the seller’s sample as a quality standard. General sample only represents the level, length, fineness, strength and so on