化石

Fossil gymnospermous plants of the Carboniferous.

石炭纪的裸子植物化石。

Paleontologists in China's Henan Basin discovered this nest of fossilized eggs laid by the Jurassic duck-billed herbivore Hadrosaurus.

古生物学家在中国河南省盆地发现了这窝的蛋化石所奠定的侏罗系嘴巴像鸭的单食草动物鸭嘴龙。

Paleontologists in China's Henan Basin discovered this nest of fossilized eggs laid by the Jurassic duck-billed herbivore Hadrosaurus.

古生物学家在中国河南省盆地发现了这窝蛋化石所奠定的侏罗系象鸭的食草动物鸭嘴龙。

Photo Gallery: Jurassic Period Paleontologists in China's Henan Basin discovered this nest of fossilized eggs laid by the Jurassic duck-billed herbivore Hadrosaurus.

侏罗纪时代图片集。古生物学家在中国河南省盆地发现了这窝蛋化石所奠定的侏罗系象鸭的食草动物鸭嘴龙。

In this picture, we found some interesting petrifactions of the ancient halobios.

像片上，我们发现一些有趣的古代海洋生物化石。

Up to now, over 100 herbaria of 39 countries and districts have set up specimen loan and exchange programs with us.

还有8万号种子标本和7万号化石植物标本。

It is designed to further the interchange of knowledge and ideas between specialists on different subjects, ranging from the sue of biochemical techniques in herpetological research to electron microscopy, from amphibian and reptilian genetics to the fossil history of the modern amphibians, including systematics and taxonomy as well as behaviour, physiology and ecology.

该杂志的目标是为了使从事不同研究的专家能够交换知识和想法，其内容涉及爬行类研究中从分子技术到电子显微结构水平、从两栖类遗传学到现代爬行类的化石研究的各个方面，同时包括爬行类的系统学、分类学，以及行为学、生理学和生态学等。

In China, fauna Hipparion paleontology study is the first large-scale fossil fauna, which shows that China places the birth of Vertebrate Paleontology.

在我国，三趾马动物群是古生物学进行研究的第一个大型化石动物群，标志着中国古脊椎动物学的诞生。

In addition, the two lithological strata containing fossils are differences in typical Baode the so-called "red Hipparion" climate temperature and humidity is a product of the period, and in the Linxia basin is close to a very sallow loess earthy heap, it may be reflected in a more dry and cold climatic conditions.

此外，两地含化石地层的岩性也有差异，在保德地区典型的所谓&三趾马红土&，是气候比较温湿时期的产物，而在临夏盆地则是一种很接近黄土的灰黄色土状堆积，它所反映的气候条件可能更为干冷。

Political, Canton River, Dongxiang Hipparion fossil fauna almost entirely produced in such a rock.

和政、广河、东乡三趾马动物群的化石几乎全部产于这种岩石中。

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