英语词汇Lower Ordovician怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	Lower Ordovician
释义	Lower Ordovician 简明释义下奥陶纪网络释义 1 ?早奥陶世 ... Lower Ordovician Series 下奥陶统 Lower Ordovician 早奥陶世 Lower Pennsylvanian 早宾夕伐尼亚世 ... 2 ?下奥陶纪 ... pre-Ordovician前奥陶纪 lower Ordovician下奥陶纪 Ordovician period(system)奥陶纪(系) ... 3 ?下奥陶统下奥陶统短语 1 Lower Ordovician Series 下奥陶统 2 cambrian-lower ordovician 寒武系下奥陶统 3 the lower ordovician 下奥陶统双语例句 1 Vein fluorite and barite deposits in southeast Sichuan occur mainly in the Lower Ordovician carbonate rocks. 川东南脉状萤石-重晶石矿床主要产于下奥陶统碳酸盐岩中。 2 This achievement provides the microfossil materials for the study of the lower ordovician in Northern Guizhou. 这一成果对于贵州北部下奥陶统的研究，提供了微体化石资料。 3 Bitumen impregnations is common in cores of the Lower Ordovician Penglaiba Formation of Well Lun - shen 2 in Lungu area, the Tarim Basin. 在塔里木盆地轮古地区，轮深2井下奥陶统蓬莱坝组岩心存在大量的沥青浸染。
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