国际地层委员会提出将在近年内完成各地质年代中阶间界线层型的选定工作。
The International Commission on Stratigraphy proposed that all stratotypes between the chronostratigraphic stages should be selected in the coming years.
国际地层委员会提出将在近年内完成各地质年代中阶间界线层型的选定工作。
The International Commission on Stratigraphy proposed that all stratotypes between the chronostratigraphic stages should be selected in the coming years.
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