“nodular chert”的概念、定义、翻译、参考文献-科学参考

单词	nodular chert
释义	nodular chert [`näj·ǝ·lǝr `chǝrt] ^GEOLOGY Chert occurring as nodular or concretionary segregations (chert nodules).
随便看	bogen structure bogey bog harrow boghead cannel shale boghead coal bogie bog iron ore bog manganese bog-mine ore ECM ecmnesia ecnephias eco ecocline ecofallow ecological association ecological climatology ecological community ecological interaction ecological physiology ecological pyramid ecological succession ecological system ecology ecomania

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