“first appearance datum”的概念、定义、翻译、参考文献-科学参考

单词	first appearance datum
释义	first appearance datum Encyclopedia 理学生物地层带释 first appearance datum首现点某一化石分类单元在地层中出现的第一个层位（薄层）。是生物面的一种。又称首现基准面。
随便看	glucose tolerance glucose tolerance factor glucose transporter glucosidase glucoside glucosidic bond glucosinolates glucosinolates，GS glucosuria glucosylase glucosylation glucosylceramidase glucuronate glucuronate pathway glucuronic acid glucuronidase glucuronokinase glucuronolactone glucuronyl glucuronyl transferase glue ball glueball Glue Blender Gluecks’s prediction study onsuccess or failure for parole glued bamboo structure

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