COMPOSITIONS OF ORGANIC CARBON AND NITROGEN AND CARBON ISOTOPE OF POSTGLACIAL SEDIMENTS IN THE YANGTZE RIVER DELTA AND THE PALEOENVIRONMENT IMPLICATION是什么意思_COMPOSITIONS OF ORGANIC CARBON AND NITROGEN AND CARBON ISOTOPE OF POSTGLACIAL SEDIMENTS IN THE YANGTZE RIVER DELTA AND THE PALEOENVIRONMENT IMPLICATION在线翻译_英语_读音_用法_例句