cretaceous的例句大全

meanwhile, it looks like the cretaceous version of shore birds were becoming relatively common, based on fossil findings.

同时，根据化石发现，似乎白垩纪的shorebirds（海鸟？）已经逐渐变得相对常见了。

互联网摘选

regional geological survey at the scale of 1: 250000 has mapped the late cretaceous and middle-late jurassic volcanic rocks in nagqu area.

25万区域地质调查在那曲地区圈定出晚白垩世、中-晚侏罗世火山岩。

互联网摘选

second, the primary deposit formed at hydrothermal stage and mesothermal stage between presinian and cretaceous;

水晶原生矿形成于前震旦纪以后到白垩纪以前的高、中温热液期；

互联网摘选

mid-lower cretaceous sandstone uranium deposit of basin of guojiawan and guguan in north china platform west and qinqi geosyncline east.

在华北地台西缘与秦祁地槽东部的国家湾盆地和固关盆地中下白垩统砂岩中赋存铀矿。

互联网摘选

and the ostracods and fishes to the transition from late jurassic to early cretaceous or the late tithonian-berriasian.

介形类、鱼类为晚侏罗世早白垩世过渡期或提塘晚期-贝里阿斯期。

互联网摘选

a new hemeroscopid dragonfly from the lower cretaceous of northeast china (odonata: hemeroscopidae)

中国东北早白垩纪一种新的昼蜓化石（蜻蜓科：昼蜓目）

互联网摘选

an extraterrestrial impact is most closely linked to the cretaceous extinction event.

天外来客对地球的撞击与白垩纪的物种灭绝事件有着最为密切的联系。

互联网摘选

jurassic and cretaceous , the marginal ocean basin was in the stage of ocean crust evolution and had a setting similar to mid - ocean ridge.

侏罗白垩纪为洋盆洋壳演化期，处于类似洋中脊的构造环境。

互联网摘选

application of cfcs methods in dating shallow groundwater in the ordos cretaceous groundwater basin

CFCs法在鄂尔多斯白垩系地下水盆地浅层地下水年龄研究中的应用

互联网摘选

secondly, characteristics of lithologic association of t_2 fault form a seismic response to lithology belt of transition near fault in the regional compound background in later cretaceous stage.

二是由于T2断层处的岩性组合特点，在晚白垩世以来的区域挤压背景下在断层附近形成一个岩性过渡带的地震响应。

互联网摘选

siping mountain gold mine occurred in silicic belt that formed by hot spring of siping mountain formation in upper of cretaceous.

四平山岩金矿赋存于白垩系上统四平山组地层内由热泉作用形成的硅化带中。

互联网摘选

Analcite mineral was found rock specimen of cretaceous system in the Ordos Basin via using micro-analysis.

通过微观分析,在鄂尔多斯盆地白垩系钻孔岩样中发现方沸石类矿物.

互联网摘选

The NWW-extending Cretaceous amphibolic diabase dikes are developed in Xiazhuang uranium ore field , Northern Guangdong province.

下庄铀矿田北西西向分布的白垩纪角闪辉绿岩构成区内基性脉岩的主体.

互联网摘选

Analcite mineral was found rock specimen of cretaceous system in the Ordos Basio vis using micro-analysis.

通过微观分析,在鄂尔多斯盆地白噩系钻孔岩样中发现方沸石类矿物.

互联网摘选

The facies types of the Lower Cretaceous are mainly delta, lake and turbidity.

下白垩统的扎赉诺尔群的沉积相的主要类型为三角洲相, 湖相和浊流相.

互联网摘选

The prototype of Zhoukou Cretaceous basin should be of foredeep basin.

白垩纪周口盆地的盆地原型应是山前凹陷盆地.

互联网摘选

NEW EARLY CRETACEOUS LALACID FROM JINGXI BASIN OF BEIJING, CHINA ( HOMOPTERA: FULGOROIDEA )

北京京西盆地早白垩世同翅目化石一新属 ( 同翅目: 蜡蝉总科)(英文 )

互联网摘选

An image feet of live mainly in Jurassic and cretaceous.

蜥脚形类主要生活在侏罗纪和白垩纪.

互联网摘选

A NEW EARLY CRETACEOUS FAMILY FROM LIUPANSHAN , NINGXIA, CHINA ( INSECTA, TRICHOPTERA )

宁夏六盘山早白垩世一新科 ( 昆虫纲, 毛翅目 )

互联网摘选

Chagan Depression is a rift subsidence basin, which has developed cretaceous hydrocarbon.

查干凹陷为一白垩纪断陷湖盆, 发育白垩纪含油气系统.

互联网摘选