Ordovician
奥陶纪
常用释义
英音[ ˌɔːdəʊˈvɪʃɪən ]
美音[ ˌɔːrdəˈvɪʃən ]
基本释义
- n. 奥陶系，奥陶纪
- adj. 奥陶纪的
例句
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1·The dry mountain ranges of the western United States contain rocks dating back 440 to 510 million years, to the Ordovician period, and teeming with evidence of tropical marine life.美国西部干燥的山脉包含了距今4.4亿至5.1亿年前的奥陶纪岩石，其中充斥着热带海洋生物生存的迹象。
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2·The Cambrian-Ordovician boundary set between D.寒武系与奥陶系界线位于D。
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3·Marine volcanics of Early Ordovician was found in Zhifang region.纸房地区具有早奥陶世海相火山岩存在。
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4·This is a new type of Cambrian-Ordovician profile in Luxi area(west of Shandong).这是鲁西地区寒武—奥陶系剖面的一种新类型。
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5·The main water source is fracture-karst water in Middle Ordovician carbonate rocks.主要的供水水源为中奥陶统碳酸盐类岩石中的裂隙-喀斯特水。
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6·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。
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7·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。
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8·This is the first time in the study and mapping of the Middle and Late Ordovician in South China.这种定量的岩相古地理图在我国南方中及晚奥陶世还是首次出现。
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9·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。
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10·The early Paleozoic strata can be divided into the Cambrian Hulan Group and the Ordovician Liaoyuan Group.吉林槽区的早古生代地层可分为寒武系呼兰群及奥陶系辽源群。
网络释义
- middle Ordovician : [地]中奥陶世