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mid-Carboniferous event
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mid-Carboniferous event
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中石炭世事件
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mid-Carboniferous event
中石炭世事件
石炭纪中期密西西比亚纪-宾夕法尼亚亚纪之交,伴随着环赤道洋流的转向和晚古生代盛冰期的开始,海洋中发生的一次显著的生物更替事件。又称谢尔普霍夫事件。
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grassland use right
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grassland waders
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grassland with abundant water resource
grassleaf sweetflag rhizome
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