直接測數法是(shi)憑借照布(bu)鏡或織(zhi)(zhi)物密度分(fen)(fen)析鏡來完(wan)成(cheng)。織(zhi)(zhi)物密度分(fen)(fen)析鏡的刻(ke)度尺長(chang)(chang)度為5cm,在分(fen)(fen)析鏡頭下面,一塊長(chang)(chang)條形玻(bo)璃(li)片上刻(ke)有一條紅線(xian), 全(quan)棉(mian)(mian)印(yin)花帆布(bu),純棉(mian)(mian)帆布(bu),顧名思義(yi),就(jiu)是(shi)100%的棉(mian)(mian)織(zhi)(zhi)物了,棉(mian)(mian)織(zhi)(zhi)物的優點是(shi)吸(xi)濕性(xing)(xing)強,染色(se)性(xing)(xing)能(neng)(neng)好(hao),手感柔軟(ruan),穿著舒(shu)適,外觀樸素,不易蟲(chong)蛀,堅牢(lao)耐用;其(qi)缺點就(jiu)是(shi)快干性(xing)(xing)能(neng)(neng)...