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Or·do·vi·cian 英ˌɔːdəˈvɪʃən美ˌɔrdəˈvɪʃənAHDôr'də-vĭshʹən 高ＴiWeb⁴⁴⁰⁰⁷Economist⁴¹³⁰³⁺²
基本英英搭配近义反义例句例句
n.奥陶纪³⁸;奥陶系³⁷adj.奥陶纪的²⁵
Noun:
from 500 million to 425 million years ago; conodonts and ostracods and algae and seaweedsLower Ordovician早奥陶世Ordovician period奥陶纪Upper Ordovician晚奥陶世the Ordovician奥陶纪
近义词 Ordovician period奥陶纪
名词100%
用作名词This was the result from the large-scale regression in the LateOrdovician.这是奥陶纪晚期大规模海退的结果。
Major hydrocarbon source rocks are in the Cambrian andOrdovician.寒武-奥陶系烃源岩是该区主力烃源岩; Although the four other Big Five extinction events led to huge changes in which animals rose to prominence, the same animals that dominated before the end- Ordovician dominated afterward.
其它四次大灭绝对生物进化产生了巨大的影响，动物因此逐渐处于优势地位，但是，奥陶纪末期大灭绝发生前后，处于支配地位的动物物种没有发生变化。 yeeyan
As a result of karstification in early Hercynian and Caledonian, karst reservoirs are the main kind of Ordovician carbonate reservoirs in Tahe oilfield.
岩溶储层是塔河油田奥陶系碳酸盐岩的主要储层，是海西早期与加里东期岩溶作用的结果。 cnki
The earliest of the Big Five, the end- Ordovician or Ordovician- Silurian extinction events some444 million years ago, are reckoned by many to be the second largest.
五次大灭绝中发生最早的一次是奥陶纪末期或者奥陶纪-志留纪大灭绝事件，发生在大约4亿4千4百万年前。许多科学家估计这次规模是五次当中第二大的。 yeeyan
The Ordovician ice age happened444 million years ago, and records have suggested that CO2 levels were relatively high then.
奥陶纪冰河时期发生在4.44亿年前，有记录表明其 CO2含量较高。 yeeyan
The Ordovician island arc, Late Silurian molars and Devonian and Carboniferons faulted trough basins are of regional significance.
其中以奥陶纪岛弧、晚志留世的磨拉石、泥盆纪和石炭纪的裂陷槽沉积具有区域意义。 cnki
Acid- fracturing treatments in wells in Ordovician reservoir of Tahe oilfield meet great difficulty be-cause of the great thickness and super deep reservoir, high temperature, and high viscosity, etc.
塔河油田奥陶系油藏由于储集层埋藏深、温度高、厚度大，原油粘度大，给酸化压裂工作带来诸多困难。 cnki
Aim To recognize eroded channel- vale and top fluctuant configuration for weathering crust in Ordovician, Lower Paleozoic, Ordos Basin.
目的鄂尔多斯盆地下古生界奥陶系风化壳侵蚀沟谷及顶面起伏形态识别。 dictall
Based on105 Ordovician core samples from10 wells of Tahe Oilfield, systematic analysis of fluid inclusions was employed to study the complex hydrocarbon charging histories.
对采自该油田10口井的105块奥陶系岩心样品的流体包裹体进行了系统分析，揭示了这种复杂的油气充注过程。 cnki
Carbon and Oxygen isotopic study of some representative Cambrian Ordovician boundary strata of various stratigraphic areas in East China has done.
对我国东部不同地层区一些代表性的寒武系—奥陶系界线层位开展了碳、氧同位素研究。 cnki
Curiously, even though the end- Ordovician led to a huge loss of life, in a way it actually had very little impact on the persistence of lineages.
奇怪的是，虽然这次大灭绝导致大量物种消失，但是在某种程度上，它其实对物种世系的维持影响甚微。 yeeyan
During the Ordovician, most life was in the sea, so it was sea creatures such as trilobites, brachiopods and graptolites that were drastically reduced in number.
在奥陶纪，大多数生命都生活在海洋里，所以海洋生物，例如三叶虫、腕足类动物与笔石动物的数量在此时急剧减少。 yeeyan
However, some researchers believe that a GRB was responsible for the Ordovician mass extinction approximately450 million years ago.
然而，有一些研究者认为，大约4.5亿年前的奥陶纪大灭绝是伽马射线爆引起的。 yeeyan
Look at these two folds. One is convex upward with older rock of Ordovician limestone toward the center of curvature.
请看那两个褶皱，其中一个褶曲是向上凸起，较老的奥陶系石灰岩位于弯曲的中心。 jukuu
On basis of analysis of tectonic geological evolution of Ordos basin, combining the study result of palaeokarst in the world, the formation process of Ordovician weathering crust was studied.
根据鄂尔多斯盆地构造地质演化背景，结合国内外风化壳古岩溶研究现状，分析塔巴庙地区奥陶系风化壳的形成过程。 cnki
The present paper discusses the Ordovician graptolite fauna and depositional characteristics in Gongcheng, Guangxi.
论述桂北恭城奥陶纪笔石动物群特征及其岩性岩相特点。 cnki
The third largest extinction in Earth's history, the Ordovician- Silurian mass extinction had two peak dying times separated by hundreds of thousands of years.
作为地球史上消亡物种排行第三的大灭绝，奥陶系-志留纪大灭绝有两个死亡高峰期，其中相隔数十万年时间。 yeeyan
The nature of graptolite fauna, the correlation of the graptolite-bearing strata with that in other area and the Cambrian- Ordovician boundary are also discussed.
本文还对笔石动物群的性质进行了分析，与邻区和国外相当地层进行了对比，并讨论了本区寒武系与奥陶系界线。 cnki
The Ordovician internal- tide and internal- wave deposits in West Zhejiang and Tarim Basin are typical cases in this field.
我国浙西和塔里木盆地奥陶系的内潮汐、内波沉积已成为该领域的典型研究实例。 cnki
There developed a vast area of weathering crust karst reservoirs on top Ordovician in Ordos Basin.
鄂尔多斯盆地在奥陶系顶部发育大面积的风化壳岩溶储层。 cnki
This paper introduces both methods of seismic attribute and pattern recognition and their application to predict Ordovician limestone karst fractured zones in Xuchang Coal Mine.
简单介绍了地震属性技术和模式识别方法及其在许厂煤矿奥陶系灰岩裂隙发育带预测中的具体应用。 cnki
Water filling sources of underground mine in Pingshuo mining area have Quaternary pore water, surface water, Permo-Carboniferous sandstone fissure water and Ordovician limestone karstic fissure water.
平朔矿区井工矿井的充水水源有第四系孔隙水及地表水、石炭—二叠系砂岩裂隙水、奥陶系灰岩岩溶裂隙水。 dictall
Well Zhong1 is an important discovery well of oil and gas in Ordovician carbonate rocks located at the Northwestern Tazhong uplift.
中1井是一口在塔中西北部的奥陶系碳酸盐岩中取得工业油气流突破的重要发现井。 cnki
Ordovician carbonate rock bed of Ordovician reservoir in Qianmiqiao buried hill experienced two times of karst exposure and the post paleogene deep- buried diagenesis.
千米桥潜山奥陶系储层经历了两次裸露岩溶及古近纪后的深埋藏成岩作用。 jukuu
Ordovician carbonates of Tahe oilfield have been reformed by tectonic movements for many times.
塔河油田奥陶系碳酸盐岩经历了多期构造运动的改造。 dictall |