华南二叠-三叠系界线研究应严格区分事件地层界线与生物地层界线。
Eventostratigraphic boundary and biostratigraphic boundary have to be clearly distinguished in the study of the Permian-Triassic boundary in South China.
华南二叠-三叠系界线研究应严格区分事件地层界线与生物地层界线。
Eventostratigraphic boundary and biostratigraphic boundary have to be clearly distinguished in the study of the Permian-Triassic boundary in South China.
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