In search of clues to that founding population, Dr. Willerslev and his colleagues examined a 24,000-year-old bone buried near a village called Mal 'ta in eastern Siberia.
为了寻找这个族群的线索，威勒斯列夫博士和他的同事研究了一具距今2.4万年的遗骨，它之前埋在西伯利亚东部一个叫马耳塔的村庄附近。
Since the founding of the People, s Republic, China has witnessed a unique transition of population, which is called Chinese Pattern of the Population Transition.
建国以来中国经历了一个独特的人口转变历程，被归结为中国人口转变模式。
Although its population waxed and waned, the city persisted and, starting some 14 centuries after its founding, flourished as a center for commerce, art, and science.
尽管这里的人口几度兴衰，这个城市还依然固守着。并且在成立后14世纪，开始作为一个金融、艺术和科学中心蓬勃发展起来。
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