摘要
回顾了 5 0年来我国桑蚕茧评级所经历的按缫折评茧、按茧层率评茧、按干壳量评茧和“组合售茧、缫丝计价”试点等四个发展阶段 ,分析了各个阶段蚕茧收购基准价的变动 ,并对现行评茧标准的不足进行了讨论。
It is reviewed the four stages of standards for the grading of cocoons, named as grading according to reeling discount, cocoon shell rate, dried cocoon shell weight and purchasing in group & pricing based on reeling result. Then it is analyzed the changes of cocoon purchasing datum price, and discussed the shortcomings of the present standards
出处
《丝绸》
CAS
北大核心
2002年第11期44-47,共4页
Journal of Silk
