“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	compensation for damage from environmental pollution compensation for emotional harm compensation for environmental pollution compensation for flood storage and detention compensation for land requisition and resettlement of water resources project compensation for physical injury compensation for pollution damage from ships compensation for property damages compensation for property damages caused by violation of physical rights compensation for tort damage compensation for water ecological protection compensation ionization chamber compensation justice compensation level compensation management compensation mechanism of Water eco-syste compensation of emergency requisition compensation of undulation compensation planimeter compensation point compensation policies for ecological benefits of forests compensation policy compensation runoff regulation for reservoir group of hydropower station compensation strategy compensation structure

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