英语词汇“index fossil”的中英文释义、用法、翻译及短语词组-英汉翻译词典-东流网

单词	index fossil
释义	index fossil 英?[?indeks ?f?sl] 美?[??n?d?ks ?fɑs?l] 释义标准化石英英释义 Noun 1. a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found 行业词典地质学标志化石??? 生物学标志化石???
随便看	Counsilman couns medullaris 'count count COUNTA countabilities countability countability axiom countability axioms countable countable additivity countable aggregate countable base countable covering countable dense subsystem countable, denumerable countable entity countable fault countable-finite game countable function countable Hilbert space countable infinite countable infinite set countable infinity countable intersection property

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index fossil