“火山灰编年学”的概念、定义、翻译、参考文献-科学参考

单词	火山灰编年学
释义	火山灰编年学 Encyclopedia 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	orthonormal frame orthonormal frame bundle orthonormal function orthonormal functions orthonormality orthonormality condition orthonormality relation orthonormality theorem in elastic scattering orthonormalization orthonormalization process orthonormalized functions orthonormalized polynomials orthonormal moving frame orthonormal polynomials orthonormal sequence orthonormal set orthonormal system orthonormal system of functions orthonormal system of vectors orthonormal tetrad orthonormal transformation orthonormal vectors orthonormal wavelet orthopaedic polymer orthopanchromatic film

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