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为什么西班牙裔会被美国人分为一大类？ - 知乎 The standards include two minimum categories for data on ethnicity: "Hispanic or Latino" and "Not Hispanic or Latino "Persons who report themselves as Hispanic can be of any race and are identified as such in our data tables 最后一句话：声称他们自己是西班牙裔（拉美裔）的人可能会是任何种族的。
如何知道一个期刊是不是sci？ - 知乎 Master Journal List在这个网站能搜到的就是吗？我在web of knowledge 上能搜到文章的杂志就是sci吗？