“tephrochronology”的概念、定义、翻译、参考文献-科学参考

单词	tephrochronology
释义	tephrochronology Encyclopedia 理学第四纪年代学释 tephrochronology火山灰年代分析利用火山灰层（或者显微火山灰层）作为等时标志来对地质、古气候、考古等地层及事件进行关联和定年的方法。历史学〔日本〕释 tephrochronology火山灰编年学利用火山灰层判断考古遗存年代关系的方法。又称火山灰编年法。
随便看	upper atmosphere exploration by balloon upper atmosphere lidar detection upper atmosphere model upper atmosphere monitoring upper atmosphere observation by air drag of satellite upper atmosphere observation by trails of the meteors Upperback upper base upper Bohl exponent upper bound upper boundary upper boundary condition upper bound conjecture upper bounded upper boundedness principle upper bounded variable upper bound of a family upper bound of a function upper bound of an operator upper bound of a set upper Burkill integral Upper Capital City of the Jin Dynasty Upper Capital-Longquanfu of Bohai State Upper Capital of Jin Dynasty Upper cave human remains

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。