为什么早期的恐龙幸存下来了，而鳄踝初龙却灭绝了？怀特塞德表示还没有找到原因。
Why the early dinosaurs survived while the crurotarsans perished is not known, said Whiteside.
初龙是鳄鱼、恐龙类以及和现代鸟类的始祖。这次的发现有助于解释2.5亿年前初龙在世界范围内大规模存在的原因。
The findings could help to explain why the archosaurs — the ancestors of crocodilians, dinosaurs, and modern birds — emerged to dominate the world some 250 million years ago.
在20世纪初，麦地那龙线虫病在非洲和亚洲许多国家广泛流行。
At the beginning of the 20th century, guinea-worm disease was widespread in many countries in Africa and Asia.
Giugiaro于90年末91年初还提交了另外一件设计——万宝龙(Montblanc，如上图所示），它是以NewtownPlus设计的最终版本为基础添加华丽的银灰色外壳以及椭圆的红外接口。
Giugiaro submitted yet another design at the end of 1990/early 1991, the Montblanc (pictured above), a final Newton Plus design with a gorgeous black exterior and elliptical IR port.
广东龙归硝盐矿于2005年初在该类盐井实施的新工艺获得了成功，取得了巨大的经济效益和社会效益。
At the beginning of 2005, Longgui Saltpeter mine in Guangdong Province has succeeded in applying new technology in this kind of salt mines with numerous economic and social effects achieved.
广东龙归硝盐矿于2005年初在该类盐井实施的新工艺获得了成功，取得了巨大的经济效益和社会效益。
At the beginning of 2005, Longgui Saltpeter mine in Guangdong Province has succeeded in applying new technology in this kind of salt mines with numerous economic and social effects achieved.
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