“铀钍-铅法定年”的概念、定义、翻译、参考文献-科学参考

单词	铀钍-铅法定年
释义	铀钍-铅法定年 Encyclopedia 工学同位素年代学释 uranium-thorium-1ead dating铀钍-铅法定年根据放射成因铅同位素与放射性铀或钍的比值测定地质和天体物质形成年代的方法。是铀-铅法和钍-铅法定年的统称。
随便看	elementary sentence of locus elementary set elementary situation elementary solution elementary space elementary species elementary stage in fluid machinery design elementary state elementary strategy elementary subdivision elementary submodel elementary substance elementary substructure elementary subsystem elementary sum elementary surface elementary surgery elementary symmetric expression elementary symmetric function elementary symmetric functions elementary symmetric polynomial elementary syntax elementary system elementary theory elementary theory of numbers

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。