A late Pliocene stage (about 2 Ma ago) which isotope records from the tropical Atlantic- and Pacific-Ocean cores and other climatic indicators suggest may have been a time of increased cooling.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。