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- Keywords Early Ordovician epoch;Carbonate rock;Thermal maturity;Eerduosi basin;（Diamantane ratio）; 早奥陶世;碳酸盐岩;热成熟度;鄂尔多斯盆地;
- Keywords bioherm;reservoir;pore type;pore evolution;early Ordovician epoch;the middle Yangtze area; 生物礁岩;储集层;孔隙类型;孔隙演化;早奥陶世;中扬子地区;
- Keywords oil-gas exploration;[carbonate resrervoir];rock pores;diagenesis;dolomitization;dolomite;early Ordovician epoch;（Eerduosi）; 油气勘探;[碳酸盐岩储层];岩石孔隙;成岩作用;白云石化;白云岩;早类陶世;（鄂尔多斯）;
- Early Ordovician epoch 早奥陶世
- Marine volcanics of Early Ordovician was found in Zhifang region. 摘要纸房地区具有早奥陶世海相火山岩存在。
- Abundant Early Ordovician fossils are identified in the western part of Sanchakou. 在龙木错北新发现志留纪地层；
- It means that the transgression in the Early Ordovician was more extensive than that in the Cambrian. 这表明早奥陶世的海进比寒武纪的更甚了。
- The tectonic framework of North Qilian in Early Ordovician should be similar to that of the Bafin Bay and the Queen Elizabeth Islands. 北祁连早奥陶世海域与现在加拿大北部巴芬湾及伊丽莎白女王群岛的构造格局相似。
- These 22 points are divided into two groups, which,represent respectiyely, two graptolite types in the early ordovician, namely, the South China type and the Central China type. 在平面图中,22个点可划分为2个点群,分别代表中国早奥陶世的两大笔石动物群,即华南型笔石动物群和华中型笔石动物群。
- Study on petrology, geochemistry and isotope chronology shows that the metallogenesis is closely related to granite-porphyry, which belongs to the Early Ordovician adakite formed in volcanic arc. 花岗斑岩与成矿作用关系密切，从岩石学、岩石化学、年龄学等方面对花岗斑岩进行了研究，认为花岗斑岩属于志留世早期形成于火山弧环境的埃达克岩。
- We started early in order to arrive before dark. 为了在天黑前到达，我们很早就动身了。
- GEOCHEMISTRY TRAITS OF HIGH GRADE Mn-ORES OF MIDDLE ORDOVICIAN EPOCH IN CENTRAL HUNAN 湘中中奥陶世优质锰矿地球化学特征
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- I finished work unexpectedly early. 我的工作意外地提早做完。
- We will get up early and do some housework. 我们将早起并且做点家务。
- Forgive me so early to call up you please. 请原谅我这么早给你打电话。
- Late Ordovician epoch 晚奥陶世
- This Greek dish is of a very early date. 这个希腊盘子是很早时期的制品。
- We shall find out the truth early or late. 我们迟早会查明事实真相。
- I spent my early childhood in my hometown. 我在故乡度过了自己的孩提时代。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
