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化石

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In Qingyang, Gansu, Wudu late Miocene strata, etc., with the ancient symbiotic giraffe lips are big rhinoceros, rhinoceros Bandicota, Hipparion fossils and other ancient animals.

在庆阳、临夏、武都等晚中新世地层中,与古长颈鹿共生的还有大唇犀、板齿犀、三趾马等古动物化石

December 2001, held in Gansu Linxia "The Chinese political Late Cenozoic fossil mammals Preservation Development Seminar", the six academicians agreed that the Late Cenozoic basin Linxia fossil mammal such a rich and diverse group in the Eurasian continent is unique in the world is rare, especially Hipparion mammal fauna of fossil origin times.

2001年12月,在甘肃临夏召开的&中国·和政晚新生代哺乳动物化石群保护开发研讨会&上,六位两院院士一致认为,临夏盆地晚新生代哺乳动物化石群如此丰富而多样,在欧亚大陆是独一无二的,在世界上也是罕见的,特别是三趾马动物群时代的哺乳动物化石产地。

He says the fossil was like nothing he had seen before."I did several analyses to make sure that this DNA is authentic, that this DNA is really old and that this DNA is what had seemed to be a new hominine lineage," he said.

他说这个化石和他之前所见过的完全不同:「我进行几项分析,以确定这个DNA是真的,这个DNA的确很老,而且这个DNA似乎属於一个新人种的谱系。

New material indicates differing ontogenetic trajectories for their forelimbs: In Ichthyostega, the pattern of muscle attachment processes on small humeri resembles that in "fish" members of the tetrapod stem group such as Tiktaalik, whereas large humeri approach the tetrapod crown-group condition; in Acanthostega, both small and large humeri exhibit the crown-group pattern.

过去,研究人员相信Acanthostega是在化石记录中最像鱼的陆地动物,但这一有关Ichthyostega 迁徙前肢的新发现表明,Ichthyostega 应该在进化树上占有一个更基底的位置,而其它的种系(如Acanthostega)可能是从Ichthyostega 所进化而来,而非反过来的情景。

And the ore contains hydromica, quartz, organic material and algal fossil.

矿石主要由水云母石英组成,含有机质及藻类化石

And e ore contains hydromica, quartz, organic material and algal fossil.

矿石 主要由水云母石英组成,含有机质及藻类化石

According to the statistics of the percentages of thermophilic and hygrophilous plants in various members, the warm humid climate alternated with the arid (or semi-arid) climate throughout the deposition stage of the Xujiahe Formation.

川北晚三叠世须家河组植物化石含量丰富,根据喜湿植物,喜热植物在各段的厚分含量统计,须家河组整个沉积阶段气候温暖,潮湿与干旱气候交替出现。

Fleshy flattened twigs scarcely or sparsely branched;2.Leaf loosely spirally arranged,decurrent,partly covered or incompletely tocompletely encircling the stem,with numerous longitudinal striations on their abaxialsurface;3.Leaf thick in substance,hypostomatic;4.Stomata arranged in longitudinal...

本文对这些化石的形态特征和表皮构造进行了详细的研究,研究结果说明它们彼此有着系统演化上的联系,应属于同一个自然类群,并提出它们的分类位置应属于伏脂杉科的希默杉亚科的新意见。

An Ichthyolite I want to have the shape of your embrace, I am always dissolved into the lines of water.

8鱼化石我要有你的怀抱的形状,我往往溶于水的线条。

Palaeontological Atlas of northeast China ,Ⅱ, Insecta.

原蝎蛉化石在中国的首次发现。

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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。

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

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。