“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	Union of the Peoples of Cameroon Union of the Peoples of the Cape Verde Islands union of words union operation union operator union problem Union progressiste mauritanienne Union Road workers Village union set union space union theorem Union University Press Union upside down uniparental disomy unipartite conic unipartite curve uniphase uniplanar force unipod unipolar unipolar conductivity unipolar dynamo unipolar group Unipolar Hegemony unipolar immigration

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