英语释义

• from 500 million to 425 million years ago; conodonts and ostracods and algae and seaweeds

片语

Ordovician oils奥陶系原油

Ordovician reefs奥陶系生物礁

palaeozoic ordovician古生界奥陶系

ordovician water奥灰水

ordovician reef奥陶系生物礁

Ordovician reservoir奥陶系储层

middle ordovician中奥陶世

ordovician chronostratigraphy奥陶纪年代地层学研究

Ordovician crudes奥陶纪石油

ordovician trilobite奥陶纪三叶虫

英汉例句

• These folded rocks are composed of medium to thick bedded limestone of Ordovician and of thin bedded shale and siltstone of Silurian.

  这些褶皱巖层是由奥陶系的中层至厚层石灰巖以及志留系的薄层页巖和粉砂巖组成。

• The Ordovician ice age happened 444 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。

• The Cambrian - Ordovician strata in Luxi Block are very continuous and well exposed.

  鲁西地块的寒武-奥陶纪地层出露连续，露头较好。

• In 1992, the author found fossil crinoid stems in crystalline limestone at Xia-zhuang, Wenchuan, which were determined to be of Ordovician age.

  笔者1992年在汶川下庄的结晶灰巖中采到了海百合茎化石，证实其时代属奥陶纪。

• Gas sources of Ordovician weathered crust gas reservoirs in Central gas Field in the Ordos basin are an important problem that has not been completely solved.

  鄂尔多斯盆地中部气田奥陶系风化壳天然气藏的气源问题是迄今尚有争议的重要问题。

• Due to spreading of Helan and Qinling rift valleys during the Ordovician period, a L-shaped swell belt formed in the western and south - ern parts of the basin.

  奥陶纪由于西边贺兰裂谷和南面秦岭裂谷发生扩张裂离，在盆地西缘和南缘产生裂谷肩翘升，形成l形隆起带。

• The karst vugs in the fine dolomites of Ordovician in Ordos Basin are the result of long time action caused by deeply buried hot water karst.

  鄂尔多斯盆地奥陶系深部白云巖中的溶蚀孔洞，其成因属于热水巖溶作用的结果。

• Vertically, coal distributes in Permo-Carboniferous and Jurassic; oil and uranium distributes mainly in Jurassic while gas distributes in Ordovician and Permian.

  在纵向上，煤聚积于石炭—二叠系和侏罗系，石油和铀矿主要分布在侏罗系，天然气则储集在奥陶系和二叠系。

• The study shows that buried dissolutions of Ordovician carbonate in Tazhong Area are developed at multi-stages and various scales, including organic acid dissolution and thermal dissolution.

  综合研究表明，塔中地区奥陶系碳酸盐巖发育多期次、不同规模的埋藏巖溶作用，主要包括有机酸溶蚀作用和热液溶蚀作用等。

• Straddling the late Ordovician period and the early Silurian period, the Andean-Saharan ice age was marked by a mass extinction, the second most severe in Earth's history.

  Andean - Saharan冰河期横跨了Ordovician冰河期的后期和Silurian冰河期的前期，大灭绝成为了其标志性事件，那是地球历史上第二个气候最恶劣的时期。

• And the strong karstification in the same direction as layer and cataclasis create by tectonic stress are the control factors of Ordovician carbonate karst reservoir development.

  而强烈的顺层巖溶作用和构造应力引发的破裂作用是轮古东地区奥陶系碳酸盐巖巖溶型储层发育的主控因素。

• 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巖溶储层。

• The Tahe reservoir Ordovician carbonate rock belongs to the type reservoir that this is special.

  塔河油田奥陶系碳酸盐巖属于该特殊类型油藏。

• 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，较老的奥陶系石灰巖位于弯曲的中心。

• 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—二叠系砂巖裂隙水、奥陶系灰巖巖溶裂隙水。

• 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巖裂隙发育带预测中的具体应用。

• The main reservoir space of the Ordovician carbonate reservoir is the corroded pore, hole and fracture in Tahe oilfield.

  塔河油田奥陶系碳酸盐巖储层的主要储集空间为溶蚀的孔、缝、洞。

• The stratigraphic division and correlation of the Ordovician in the two districts have long been an outstanding problem.

  两个分区奥陶系的划分和对比，是一个长期未决的问题。

• The weathering crust of Majiagou Formation in Ordovician of Changqing Gasfield in Ordos Basin is the major pay zone with the evaporated marginal sea facies.

  鄂尔多斯盆地中部气田奥陶系马家沟组属蒸发边缘海相地层，其风化壳是中部气田的主要产气层段。

• The natural geography of the Ordovician period is that: the Hannan paleocontinent and the Bashan Mountain rise at the north, and the wide epicontinental sea basin lies in the south.

  奥陶纪时期，本区处于北为汉南古陆与巴山隆起，南为广阔的陆表海盆地的古地理环境。

• The major storage space and fluid channel of Ordovician reservoir is hypogenous fracture-cavern. It can make high production after erodent buildup.

  奥陶系储层流体的存储空间和流动通道主要是次生溶洞和裂缝，这些裂缝往往经过溶蚀改造，故可以形成很高的产能。