The earliest known bird, Archaeopteryx, lived during the Jurassic, the period before the Cretaceous.

  • 人类所知的最早的鸟类,始祖鸟,生活在白垩纪前的侏罗纪时代。
  • 来源:互联网摘选更新时间:2025-01-19 23:46:48

  • 重点词汇
  • periodn.一段时间,时期;周期;<数>(周期函数的)周期;(练习、训练、学习的)时间,时段;(人生或国家历史的)阶段,时代;<美口>结束,终止;课时,学时,节;(妇女的)经期,月经;<美> 句号,句点;<医>病期,病程;<天>自转(或公转)周期;(冰球等比赛的)一局;<音> 乐段,乐节;完整句(尤指含有若干从句、结 构工整的复合句);纪(地质年代,代下分纪)
  • knownadj.大家知道的;已知的;知名的;向某人作自我介绍;
  • beforeprep. 在…之前;先于,优于;当着…的面;与其…;
  • cretaceousadj.白垩的,白垩纪的;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • archaeopteryxn.始祖鸟;
  • livedadj.有…之生命的;
  • earliestn.最早,作为最早期的;
  • Jurassicadj.侏罗纪的,侏罗系的;
  • 相关例句
1、

Indeed, they consider the fossil's brain size decisive evidence that Archaeopteryx had what it took to fly.

确实,他们把这种化石的脑部尺寸作为有力的证据来说明始祖鸟拥有使其飞翔的东西。

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2、

Three tectonic characteristics in connection with gold metallogenesis in China are given in the present paper: the stratigraphic era ( the Proterozoic) of the first metallogenetic culmination for lode gold in China is later than that ( the Late Archaeozoic) of the world as a whole;

指出中国金成矿的三个大地构造特征:中国第一个岩金成矿高潮的地层时代(古元古代)晚于全球第一个岩金成矿高潮的地层时代(新太古代);

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3、

The method and theory of seismic wave impedence inversion restrained by well log were introduced in this paper, together with its application to the paleogene conglomerates and Archaeozoic weathered granite rocks in the CFD 18 1 and 18 2 structures. The resolution reached 10 meters.

介绍了测井约束波阻抗反演技术的方法原理,以及在CFD18-1、18-2构造下第三系底砾岩及太古界花岗岩风化壳储层研究中的应用,分辨率可达到10m。

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4、

Ore bodies occur in Archaeozoic hornblende metamorphic rock series, especially in the surrounding area and inner side of the metamorphic diorite, controlled by NE and NNE shear zone, and occur as feather veins in the side faults.

矿体赋存于太古代角闪质变质岩系,特别是变质闪长岩体周边及内侧,受NE、NNE向剪切破碎带控制,常在其傍侧断裂形成羽状矿脉。

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5、

The early Proterozoic atmosphere and hydrosphere are similar to those of Archaeozoic in being still absent in oxygen. This is a very large circular collection of stars and gas that surrounds our Milky Way galaxy.

早元古代的大气圈、水圈与晚太古代相似,仍为缺氧性质。这是一个围绕银河系的恒星及大气圈群体。

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6、

Taking modern stratigraphic theories as guidance, Jiangsu Stratigraphic Clearance Team collected a large amount of stratigraphic information from Archaeozoic Era to Tertiary Period over the last hundred years through the effort of more than three years.

江苏地层清理项目组以现代地层学理论为指导,经3年多工作,搜集了江苏近100年来大量新太古代至第三纪地层资料。

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7、

According to field geological mapping ( scale 1:10000) and comprehensive study in laboratory, the major archaeozoic rocks are intermediate-acid intrusives, which were metamorphosed into the felsic gneisses.

在野外1∶10000地质填图及室内研究工作基础上,认为夹皮沟地区太古代主体岩石是中酸性侵入体(TTG),已变质成为长英质片麻岩。

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8、

According to the relation of contact in the field and Pb Pb evaporation age of a set of zircon ( 2451 Ma), its diagenetic age can been ascertained the Archaeozoic Era.

根据野外接触关系和一组锆石Pb-Pb蒸发年龄(2451Ma),确定其成岩时代为太古代。

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9、

In recent years, Proterozoic and Archaeozoic buried hill reservoirs have been explored and developed in Liaohe Oilfield, but it is a problem to interpret these fracture-cavity reservoirs.

近年来,辽河油田元古界、太古界古潜山油气藏得到了比较好的勘探与开发,但对这些缝洞性储层的解释一直是一个难题。

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10、

The impact of basic intrusive dyke on hydrocarbon accumulation inside the Archaeozoic buried hill in Liaohe Depression is studied on the basis of logging data, core test and oil testing data.

以测井资料、岩心化验及试油资料为基础,研究了辽河坳陷太古宇古潜山基性侵入岩脉对内幕油气成藏的影响。

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11、
12、

The early Precambrian in Jilin province includes the Archaeozoic granite-greenstone belt, early Proterozoic Ji'an Group and mid Proterozoic Laoling Group.

吉林省早前寒武纪地质包括太古宙花岗&绿岩带、早元古代集安群和中元古代老岭群。

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13、

The Proterozoic climate was still warm and wet, but compared with that of the Archaeozoic Eon, the temperature fell a little.

元古宙的气候仍是温暖而潮湿的,但较太古宙温度有所降低。

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14、

This has been proved by formation test and production, so that these are feasible methods to study the characteristics of Archaeozoic metamorphic reservoir.

其解释成果已被试油和生产实际所证实,说明利用该方法研究太古界变质岩储层特征的方法可行。

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15、

Massive sulphide deposits of Archaeozoic in North Liaoning

辽北太古宙块状硫化物矿床

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16、

Tectonic deformation and evolutional characteristics of Archaeozoic metamorphic complex from Jianping area

建平地区太古宙变质杂岩构造变形及演化特征

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17、

A Preliminary Study on the Archaeozoic Paleoclimate of China

试论中国太古宙的古气候

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18、

In the end, the relation between the metallogenesis and the evolution of Archaeozoic and early Proterozoic earth crust is discussed basing upon the theory of rift.

最后采用裂谷理论讨论了成矿作用与太古代和早元古代地壳演化的关系。

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19、

Granite take-out type of uranium mineralization in research area be controlled with Archaeozoic era mix granite, mainly distributed in internal and external contact belt. 6.

研究区花岗岩外带型铀矿化受太古代混合岩化花岗岩控制,主要分布在岩体内外接触带。

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20、

In his paintings, sculptures, installations and videos, the artist dwells on the relationships between archaism and the fantasies of modernity to which society aspires.

在他的绘画、雕塑、装置和视频作品中,艺术家深入探讨了旧时代和社会追求的现代化幻想之间的关系。

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