...纳摩盖吐龙 内乌肯 拉布拉达龙(laplatasaurus) 纳摩盖吐龙(nemegtosaurus) 山西龙(shanxia) 蓝尾龙(talarurus) 徐龙(syrmosaurus) 安吐龙(amto 蒙古纳摩盖吐龙(nowinski,1971) 例如栉龙与巴思钵氏龙,或是蜥脚类恐龙,例如纳摩盖吐龙与后凹尾龙.
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虽然科学家们已经发现了更为精细的恐龙羽毛化石，但徐星表示，北票龙的这些羽毛结构依然堪称新奇。
More elaborate dinosaur feathers had already been found, but "these structures were novel, " says Xu, of Beijing's Institute of Vertebrate Paleontology and Paleoanthropology.
虽然科学家们已经发现了更为精细的恐龙羽毛化石，但徐星表示，北票龙的这些羽毛结构依然堪称新奇。
More elaborate dinosaur feathers had already been found, but "these structures were novel," says Xu, of Beijing's Institute of Vertebrate Paleontology and Paleoanthropology.
1991年龙夫威（右）等中美学者寻访平遥超山书院遗址。五台东冶镇永安村北的徐继畬之墓。
Chinese and American scholars view the site of the Chaoshan Academy at Pingyao in 1991 (Prof. Fred Drake on right). Xu Jiyu's tomb in Yong'an, Wutai.
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