化石
- 与 化石 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
There was a diversification of the gymnosperms, and fossil groups such as the Bennettitales and Caytoniales evolved during this period.
在这一时期存在的裸子植物发生了分化,有本内苏铁目 Bennettitales 和开通目 Caytoniales 的化石可以证明。
-
My bipedal feet walk on an earth full of fossil missing links.
我的双腿行走在到处都可能错过化石线索的世界。
-
There are Brachiopoda, Anchozoa, Trilobita, Crinoidea et al. fossils in the clastic rocks and Iimestone.
碎屑岩及灰岩中含腕足、珊瑚、三叶虫、海百合茎等生物化石。
-
In east adjacent regions Toudaogou of Hami, Zhou Ji yuan found brachiopoda fossil of Early Ordovician in the same stratum of pyroclastic rock with intemediate-basic volcanics: Orthambonites sp., O.
东邻区哈密头道沟,周济元等在相当于火山岩建造的上部层位的火山碎屑岩夹中基性火山岩中发现早奥陶世腕足化石:Orthambonites sp。, O。
-
The brachiopoda fossils of Cambrian of the Kaili Formation in Guizhou are well preserved and in a large quantity.There are 9 genuses.10 specieses and 3 uncertain specieses including 1 new specieses after a tentative studing.
贵州寒武纪凯里组腕足动物化石保存较好,数量较多,初步研究有有9个属10个种3个未定种,其中1个新种。
-
The fossil Brachycera contain a wider variety of flower visitors, which provide unique material for studying the origin of angiosperms.
虻类化石中的许多类群都有访花习性,它们为研究被子植物的起源提供了独特材料。
-
The new progresses:(1)the anatomic studies on the leaves, stems and cones of 25 species Late Mesozoic conifers, particularly those very similar to the living genera, such as Athrotaxites, Torreya, Taxus, Cephalotaxopsis, Cunninghamia and the cheirolepidaceous conifers, such as Brachyphyllum and Psudofrenelopsis;(2) the distribution and evolution of the Late Mesozoic conifers, the relationship between the concentration of CO2 of the atmosphere and the stoma index of the gymnosperms during the Middle Jurassic and Early Cretaceous;(3) the characters, compositions and ages of the Jurassic floras of Yabula Basin, and Erlian Basin of Inner Mongolia and the Early Cretaceous floras and Jiuquan basin and Beishan Area of Gansu.
对12属25种中生代松柏类的枝叶、球果及茎干化石进行了解剖研究,特别是对与现生松柏类相似的Athrotaxites, Torreya, Taxus, Cephalotaxopsis, Cunninghamia及可能属于掌鳞杉科的Brachyphyllum, Psudofrenelopsis等的研究较为深入,发现了4个新种;总结了中国晚中生代松柏类的特点及分布,讨论了重点属的起源和演化问题;研究了中侏罗世、早白垩世及现代裸子植物包括松柏类气孔与大气CO2浓度关系,发现气
-
Paibao was cstablished over ten years,has strong power advanced techniques,can supply plenty of all range of natural building colour materials,as machine-made cobblestone riverpebble、brocatello、spraying pat stone、landscape karst、 fossile、culture stone、natural colour gravel and dying pebble for decoration indoor,They have non-poison、tasteless and fadeless,also hard enough,colour shining,simple and unsophisticated,has specific property of compressive resistance,wearability,corrosion resistance,are perfect environmental protection building material and videly used in public building、villa、courtyard、garden and high building,spreading andtique eastern culture,reflecting art style of simples and unsophisticated、quiet and tastefully from the western.
我厂是建厂十几年的企业,实力雄厚、技术先进。大量生产供应各种天然颜色的机制鹅卵石、河卵石、雨花石、干粘石、喷刷石、造景石、木化石、文化石、天然色理石米等建筑装饰材料及室内装饰用的高级染色沙,无毒、无味、不脱色。品质坚硬,色泽鲜明古朴,具有高压、耐磨腐蚀的天然特性,是一种理想的绿色建筑材料。被广泛应用于公共建筑、别墅建筑、园林艺术和其它高级上层建筑。它既宏扬东方古老的文化,又体现西方古典、优雅,返朴归真的艺术风格。
-
Bones of the Camarasaurus have been found in Utah and Wyoming in the United States and in Mexico.
卡玛拉龙化石在美国的尤他州和怀俄明州以及在墨西哥发现过。
-
Diagnosis: The first Mesozoic bird found in Hebei Provicne. Different from Confuciusornis by smaller size, sharp teeth, well-developed sternum, carpometacarpus unfused and three wing claws present.
基本特征:是河北省发现的第一块中生代鸟类化石,它与孔子鸟不同之处有,个体较小,颌骨有锋利的牙齿,胸骨发育,腕掌骨不愈合,指骨仍有三个指爪。
- 推荐网络例句
-
Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
-
I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
-
The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。