Test charts for micrography ; din - test chart b for optical density and for determination of scale of reproduction 缩微照相用检验样品.第4部分:检验光密度和测定复制比
2.
Sampling : grade and staple : 10 % to be sampled at random for each lot of bales ; micronaire and strength : one half of the 10 % is to be sampled at random for each bunch of bales 抽样：品级、长度：从每批棉包中随机抽样10 ；马克隆值和强度：从品级、长度抽取的样品中随机抽取其样品总量的一半，作为马克隆值和强力的检验样品。
