“前第四纪”的概念、定义、翻译、参考文献-科学参考

单词	前第四纪
释义	前第四纪 Encyclopedia 理学前第四纪释 None前第四纪第四纪（其底界为258万年）以前的地质时期。
随便看	design context research method design contract design control of rock engineering Design Coucil design course program design criteria for farmland drainage Design Criteria For Ontologies design criticism design deliverables design depth design directivity design director design discharge for surface waterlogging control design documents Design driven innovation design driven innovation designed distance designed life of nuclear power plant designed resource reserves designed workable reserves design effect designer brand Designerly Ways of Knowing design feature design fee

科学参考收录了854744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。