化石动物
- 与 化石动物 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Abundant Late Paleozoic brachiopod fossils are contained in the Qiligou section of the Western Mountains, Taiyuan, Shanxi, and 13 benthic communities have been recognized.
太原西山七里沟晚古生代剖面含有丰富的腕足动物化石,共可识别出13个底栖生物群落。
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Two years later, in the Himalayan foothills of northern Pakistan, Gingerich's team found another weird whale clue: a partial braincase from a wolf-size creature—found in the company of 50-million-year-old land mammal remains—that bore some distinctive cetacean characteristics.
两年后,在巴基斯坦北部的喜马拉雅山丘陵地带,金格瑞西的团队找到另一个古怪的鲸豚线索:一个不完整的脑颅,似乎是个体型像狼的动物,可是带有一些鲸豚类独有的特徵;与它同时出土的都是5000万年前的陆栖哺乳类化石。
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It may include the remains of bottom-dwelling forms (e.g. ammonites, echinoderms, and pelecypods), and nodules of chert and pyrite.
它可以包括海底形态的残留物(即鹦鹉螺化石、棘皮动物和瓣鳃纲斧足类动物)和燧石和黄铁矿的结节。
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Dean's area of expertise is conodonts, an obscure group of microfossils thought to have been an extinct animal called the chordate - which, judging from the pictures, looked a bit like a worm.
迪恩的专长领域是牙形石,这是一种尚不明确的微型化石,学界认为其以前应该是一种已经灭绝的动物,叫脊索动物——从图片上看,有点像蠕虫。
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The scientists didn't accept the hypothesis of continental drift until almost identical fossils of animals were found both on Africa and South America.
直到在非洲和南美洲发现了几乎完全同类的动物化石,科学家们才接受了大陆漂移假说。
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In particular, the morphology and distribution of the feathers on Liaoning dromaesaurids, among other features, strongly suggest that dromaeosaurids might have been able to parachute or even glide, representing a group of transitional animals between the cursorial non-avian theropods and volant birds.
尤其重要的是,通过分析辽宁奔龙类化石保存的羽毛形态和分布情况,本文认为这些动物可能具有降落甚至滑翔能力,它们代表地栖的非鸟类兽脚类恐龙和会飞的鸟类之间的过渡类型。
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Lot of biological fossils have soft institutional framework such as skin impression ,cartilage structure , cutin beak , etc..
大量化石还保存了胃的残留物,包括动物的骨骼、鳞片、植物的种子等等。
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The fossil of sea lity now looks more like a plant but is in fact an ancient echinoderm.
这海百合的化石现在看来更象一棵树,但事实上它是古代的巨型动物。
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Based on the fossil embryos from the Weng'an biota, present study aims at answering questions about the origin of animals in aspect of embryological and developmental biology.
本文主要从演化发育生物学和胚胎生物学的角度,以瓮安生物群中的胚胎化石为研究对象,探索动物起源和进化中的一些科学问题。
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Canadian Museum of Nature of Natalia -赖伯泽恩斯基 excavation of the bones of the head of survey research, he said: The start of the fin-footed animals from the land to study the evolution of the oceans is very difficult The reason for this is fossil evidence of ancient species, it is difficult to obtain, and to identify specific moot.
加拿大自然博物馆的纳塔莉亚-赖伯泽恩斯基是这项骨骼挖掘勘测研究的负责人,他说:展开对鳍足类动物从陆地到海洋的进化研究是非常困难的,其原因在于远古物种的化石证据很难获得,并且具体鉴别颇具争议。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很,以良性病变为主。