This paper reports the U-series dating results of calcites and mammalian fossils from Southern Branch Cave of Maba hominid site.
报道马坝人地点南支洞次生碳酸盐岩和骨化石样的铀系年代。
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Based on the U-series dating and sporopollen analysis, this paper presents a discussion on the paleovegetation and paleoclimate of the Buqu Basin and its adjacent regions during the interval 88.
结合孢粉分析结果，本文探讨了青海省西部地区通天河及布曲流域晚更新世早中期的古植被与古气候。
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This week, as part of a new series called Living In the Middle, NPR takes a closer look at what it really means to be middle class in the U. S.