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我国习惯上将蚕豆按百粒重大小分为小粒种、中粒种、大粒种３类，百粒重小于７０ｇ为小粒种，大于１２０ｇ为大粒种。国标ＧＢ１０４５９－８９根据蚕豆种子平均长度将蚕豆分为３类：大粒型大于１８－１ｍｍ，中粒型１５－６～１８－０ｍｍ，小粒型小于１５－５ｍｍ。参照近年?
Our country habitually divided the broad bean into one hundred seeds according to the size of small seeds, medium seed and large seed 3 categories, 100 grain weight less than 70g for the small seed, more than 120g for the large seed. National standard GB10459-89 according to the average length of broad bean seeds will be divided into three categories: broad-grain larger than 18-1mm, medium grain 15-6 ~ 18-0mm, small grain less than 15-5mm. In recent years?