岩浆的起源与古生代特提斯海俯冲板块的脱水有关。
The origination of the magma is related with the dehydration of the subducting plate of the Paleozoic Tethys Sea.
大部分在古生代岩层中发现的化石都是没有脊骨的无脊椎动物，例如珊瑚、软体动物和三叶虫。
Most of the fossils seen in Paleozoic rocks are invertebrate animals lacking backbones, such as corals, mollusks and trilobites.
大量的古生代植物聚集在水域边缘，并逐渐蔓延到地球的各个角落。
The communities of Paleozoic plants congregated at the water's edge and began to colonize the Earth's surface.
显生宙可划分为三个时期——依次经历古生代、中生代和新生代。
The Phanerozoic is divided into three eras -starting with the earliest, these are the Paleozoic, Mesozoic, and Cenozoic.
开展这项研究是为了进一步掌握高氧环境(类似地球在古生代晚期的环境)对动物体型巨大产生的影响。
The study was constructed to provide more insight into the effects a hyperoxic environment — like the kind our planet enjoyed in the late Paleozoic — might have had on animal gigantism.
显生宙可划分为三个时期——依次经历古生代、中生代和新生代。
The Phanerozoic is divided into three eras — starting with the earliest, these are the Paleozoic, Mesozoic, and Cenozoic.
这就是二叠纪以及整个古生代的终结。
This was the end of the Permian period, and of the era of life called the Paleozoic.
同时，研究员还集中精力研究了其它古生代分子，如RNA和胶原蛋白。
Meanwhile, researchers are also zeroing in on other ancient molecules, such as RNA and collagen.
恐龙在地球上出现之前绿海龟于就已在古生代出现；在最后一个冰河 时期绿海龟也幸存下来；但它们与我们在一起的日子可能不多了。
There were green turtles in our seas e ons before dinosaurs tramped the Earth; they survived the last ice age; but they may not be with us much longer.
几百年来，研究古生代生活的人们必须依赖石头和骨骸这些确凿的证据来说明那些已不复存在的生物是什么样的。
For hundreds of years, humans studying ancient life had to rely on stones and bones for hard evidence about what extinct creatures looked like.
举例来说，新型高吞吐量测序仪对小片段DNA的测序效果最好，而从受损的古生代样本提取出的正是这种小片段。
For example, new high-throughput sequencers turned out to work best with small fragments of dna-just what degraded ancient samples yield.
因此，他们可以找到方法来识别并排序从受污染的长段DNA中提取的短段古生代DNA，并提取出感兴趣的基因段。
So they were able to develop methods to recognize and sort short bits of ancient DNA from longer chunks of contaminant DNA and also to fish out gene regions of interest.
这是最早化石藻类之一，描述了这种从晚古生代岩石作为。
This was one of the first fossil algae to be described as such from Late Paleozoic rocks.
来自毛猛犸象的古生代dna表明，它们的血液中含着特殊的御寒血红蛋白，今年研究者在细菌中对这种血红蛋白进行了复制。
Ancient DNA from woolly mammoths revealed that their blood contained special cold-adapted hemoglobin, which researchers reproduced in bacteria this year.
这个地区的地层柱包括全部古生代岩系。
The stratigraphic column in this district includes all the Paleozoic formations.
中国早、晚古生代、中生代和新生代成煤期的大地构造性质，在各个地区可有不同。
The tectonic nature of different regions in China in the Early and Late Paleozoic, Mesozoic and Cenozoic coal-forming periods is different.
内蒙古东南部古生代造山带在石炭纪时期的构造环境和构造演化，至今在认识上存在较大的分歧。
There are great bifurcations as yet on the structural environment and on the evolution of the Xingmeng Paleozoic orogenic belt in Southeast Inner Mongolia during the Carboniferous Period.
红太平多金属矿床产于延边古生代地槽区二叠系海相火山岩中及其与碎屑沉积岩的过渡带上。
The hongtaiping polymetallic deposit lies in the permian marine volcanic rocks palaeozoic geosyncline and the transitional belt of the clastic sedimentrary rocks in the yanbian area.
它们主要生活在古生代。
随著时间旅行回到过去，看看地球在过去-古生代、中生代以及新生代时候的样子，也看看地表在未来又会是怎么一个模样？
Travel back through time and check out what the earth looked like during the Paleozoic Mesozoic and Cenozoic eras and what it may look like far into the future.
2005年，两个小组共同协作对古生代穴熊的2.7万个DNA碱基进行了排序。
In 2005, two teams worked together to sequence 27,000 bases of ancient cave bear DNA.
但过去十年间，探索人类基因组研发的新工具拯救了古生代dna的研究。
But over the past 10 years, new tools developed for exploring the human genome gave ancient DNA research a lifesaving infusion.
对于古生代dna的研究开始于20世纪80年代中期。
我的教授研究古生代的植物群。
下面所列举的是分布于分流和三角洲前绿砂体的油气田的例子，在地质时代上从晚古生代至中新生代。
The following examples of oil and gas fields in distributary and delta- fringe sand bodies range in age from late paleozoic to middle cenozoic.
有些生物一直很少变化，以至生存至今的生物与它们古生代或中生代的祖先仍十分相象。
Some organisms have persisted with so little change that specimens living today are quite similar to their Paleozoic or Mesozoic ancestors.
发现于古生代鱼类的鳞片形成覆于齿质结构之上的表面层。
Found in the scales of Palaeozoic fishes as a superficial layer over a dentine structure.
发现于古生代鱼类的鳞片形成覆于齿质结构之上的表面层。
Found in the scales of Palaeozoic fishes as a superficial layer over a dentine structure.
应用推荐