展示恐龙骨架、化石和侏罗纪时期。
银杏有没有活着的近亲，它们的祖先可以一直追溯到侏罗纪时期。
Gingkos have no close living relatives, and their ancestry can be traced all the way back to the Jurassic period.
地质学家估计中国北部的无烟煤和烟煤煤层形成于侏罗纪时期之前。
Geologists estimate the seams of anthracite and bituminous coal in northern China, for instance, were formed from the Jurassic period onward.
一亿五千二百万年前：泛大陆裂解分离中侏罗纪时期，泛大陆全面裂解。
The supercontinent of Pangea began to break apart in the Middle Jurassic.
第三纪和晚侏罗纪时期沉积的弱胶结粉细砂层在我国东北、南地区有广泛的分布。
Weak cemented fine quicksand layer deposited at the Tertiary Period and Jurassic Period is widely distributed in China's northeast and southwest regions.
对中国东部侏罗纪时期地壳增厚和岩石圈显著变薄的现象，提出一个新的形成机制假说。
A new hypothesis for explaining crustal thickening and significant lithospheric thinning in the Jurassic in eastern China is proposed.
尽管，这两种物种早在侏罗纪时期就已分道扬镳，而且，到了白垩纪后期，已出现了许多种的鸟类。
The actual split between the two groups, though, had happened much earlier, during the Jurassic period, and by the late Cretaceous there were many species of bird around.
可能已经是时候最终接受‘始祖鸟’只是又一只在侏罗纪时期飞来飞去的长有羽毛的像鸟类的小兽脚亚目食肉恐龙了。
Perhaps the time has come to finally accept that archaeopteryx was just another small, feathered, bird-like theropod fluttering around in the Jurassic.
中国古植物学家在内蒙古发现了可能是世界上最早的中侏罗纪时期(1.64亿多年前)草本被子植物化石。
Paleobotanists have found fossils of perhaps world's earliest herbaceous angiosperm plant from the mid-Jurassic period (more than 164 million years ago) in north China's Inner Mongolia.
他的团队已经把对一个相似的物种“郑氏晓廷鸟”的发现作了细节化处理。“郑氏晓廷鸟”的出现要追溯到1亿5500千万年前的侏罗纪时期。
His team has detailed the discovery of a similar species, Xiaotingia, which dates back 155 million years to the Jurassic Period.
asilisaurus生活在三叠纪时期，也就是鳄鱼与类鳄生物统治地球的时期，而恐龙在侏罗纪时期对地球统治则是35万年后的事了。
Asilisaurus lived during the Triassic, when crocodile-like beasts ruled the Earth, with dinosaurs becoming dominant only during the Jurassic, some 35 million years later.
这差不多是相当于我们第一次对侏罗纪部分时期的高纬度北极地区有了大致了解。
It's giving us an overview of the high Arctic during part of the Jurassic period for the very first time.
恐龙以及恐龙的消失是侏罗纪的标志，人类或许也会像它们那样定义一个地质时期。
Human may define a geological period in the way dinosaurs — and their vanishing act — helped mark the Jurassic.
探索侏罗纪中期的空白时期，便可解开这道谜题：有些恐龙是如何跨足下个年代？
Lost somewhere in the blank spot in the middle of the Jurassic lies the answer to this riddle: how did some dinosaurs go from one era to the next?
侏罗纪时代图片集。幽灵的较早的时期，古生异龙和剑龙振奋精神战斗在丹佛博物馆在科罗拉多州。
Photo Gallery: Jurassic Period Ghosts of an earlier age, an Allosaurus and a Stegosaurus brace for battle at the Denver Museum in Colorado.
任一种小型已灭绝的翼龙目的飞行爬行动物，它们绝大多数都没有尾巴，生活在侏罗纪和白垩纪之间的那段时期。
Any of various small, mostly tailless, extinct flying reptiles of the order Pterosauria that existed during the Jurassic and Cretaceous periods.
侏罗纪时代图片集。一只古生异龙践踏通过一个中生代时期的森林在这方面艺术家的写照。
Photo Gallery: Jurassic Period An Allosaurus tramps through a Mesozoic-era forest in this artist's depiction.
侏罗纪时代图片集。一只古生异龙践踏通过一个中生代时期的森林在这方面艺术家的写照。
Photo Gallery: Jurassic Period An Allosaurus tramps through a Mesozoic-era forest in this artist's depiction.
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