“index fossil”的概念、定义、翻译、参考文献-科学参考

单词	index fossil
释义	index fossil Encyclopedia 理学古生物学释 index fossil标准化石可用来确定产出地层时代或阐明其生活环境的化石。又称标志化石。理学标志化石释 index fossil标志化石用来确定地层时代，并进行地层的划分和对比的化石。又称标准化石。
随便看	four-element intersection structure theory four elements Four Essays on Liberty four exponentials conjecture four-eye fish four famous Dan actors four famous young female role performers four fermion effective interaction theory four-figure integer four flow conjecture four-flow conjecture fourfold fourfold axis fourfold classification fourfold knot fourfold [symmetry] axis fourfold symmetry axis fourfold table four-force four forms four forms of law of the Song Dynasty four fractions four frame Four Freedoms four-frequency differential laser gyroscope

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