The microstructure of the sample glaze layer under polarizing microscope and reflecting microscope has showed acicular hausmannite crystals on the glaze layer sur...
通显微镜和反
显微镜观察试样
显微结构,发现虹彩
在成
程中
面析出了针状
黑锰矿晶体。
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A Dutchman named Comeille de Pauw announced in a popular work called Recherches Philosophiques sur les Americains that native American males were not only reproductively unimposing, but so lacking in virility that they had milk in their breasts.
有个名叫科梅耶·波夫荷兰人在
本名叫《关于美洲人
哲学研究》
通俗作品中宣称,美洲
土著男人不但在繁殖方面给人印象不深,而且“如此缺乏生殖能力,他们
乳房都流着奶汁”。