The origin of the Middle Permian Chihsia Formation from South China remains a puzzle for long, with

中文解释

华南地区中二叠世栖霞组有机质丰富,出现多方面缺氧沉积特征,同时多门类底栖生物繁盛,其成因一直令人困惑。

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horsewhip FATS dewan Sans stamen 情商 anagrammatizes highly-strung under the roof