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        [1] DARWIN C,WALLACE A. On the tendency of species to form varieties and on the perpetuation ofvarieties and species by natural means of selection[C]//Proceedings of the Linnaean Society. [S.l.:s.n.],1858:45-62.[2] BAKER PT. Human adaptation to high altit    （共 17833 字）     [閱讀本文] >>