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所属栏目：地理中国
所属频道：CCTV-10科教
年份：2011
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简介：中国东北是古生物化石的宝库，在距今一亿多年前，亚洲东部生活着一个古老的生物群--热河生物群，在吉林省发现了一亿一千万年前的被子植物化石，孙革个研究小组把发掘最古老花朵的范围扩大，用大量的时间寻找了到世界上的第一朵花，美国科学家布莱纳在以色列也发现了花朵化石，这同属于距今约一亿三千万年前的地址年代，两朵古老的花在亚欧大陆两端遥遥相望，究竟哪个才是已知最古老的花呢。收起
神秘的“石中花”（下） 地理中国 20110301
神秘的“石中花”（上） 地理中国 20110228
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