• My professor studies flora of the Palaeozoic Era.

    教授研究古生代的植物群。

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  • Like the Palaeozoic Era, the Mesozoic Era has been divided into smaller units of geological time called period.

    如同古生代一样,中生代划分一些较小时间单位

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  • The second major era of geological time which lasted from the end of the Palaeozoic era about 225 million years ago, to the start of the Tertiary, some 70 million years ago.

    中生代是地质时期第二个时代,大约2.25亿年前古生代末延续约7千亿年前的第三纪初

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  • The basement strata and the migmatite, however, were formed much later, about Cambrian period and early palaeozoic era.

    基底地层混合岩形成时代较,为寒武纪下古生代

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  • During Palaeozoic era and Triassic period, Taikang area received Marine, continental-marine transition, and continental sediments, then uplifted in the end of Triassic and was denuded widely.

    太康地区古生代三叠纪接受了海相、海陆过渡相和陆相盆地沉积,三叠纪隆起,地层广剥蚀。

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  • In the research area, the coal series in late Palaeozoic era were mainly formed from epeiric sea - coastal plain environment.

    研究古生代含煤岩系主要形成陆表海岸平原环境中。

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  • Based on the study of sporopollen fossils from the coal-bearing formation of the late Palaeozoic Era in Tangyang mine field of Jining, 71 genera and 177 species of sporopollen are identified.

    通过济宁唐阳井煤田古生代岩系中的化石研究,共鉴定出孢粉化石71177

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  • Based on the study of sporopollen fossils from the coal-bearing formation of the late Palaeozoic Era in Tangyang mine field of Jining, 71 genera and 177 species of sporopollen are identified.

    通过济宁唐阳井煤田古生代岩系中的化石研究,共鉴定出孢粉化石71177

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