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1922年12月1日

1最少阅读时间

原羊毛和次品毛

显微镜如何告诉我们它们的组成和鉴定

作者：莱昂·奥古斯都·豪斯曼

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More by Leon Augustus Hausman

This article was originally published with the title “Virgin Wool and Shoddy” in 大众科学 Magazine Vol. 127 No. 6 (December 1922), p. 410
doi:10.1038/scientificamerican1222-410

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