“taconite”的概念、定义、翻译、参考文献-科学参考

单词	taconite
释义	taconite [`tak·ǝ´nīt] ^GEOLOGY The siliceous iron formation from which high-grade iron ores of the Lake Superior district have been derived; consists chiefly of fine-grained silica mixed with magnetite and hematite.
随便看	acetyl valeryl ACF diagram acfm a-c fracture a-c girdle Achaenodontidae achaetous A chain achalasia achalasia of the cardia ache acheb achene Acheulean achiasmate achievement age achievement quotient achilary Achilles Achilles group Achilles jerk Achilles tendon Achilles tendon reflex achiral molecules achlamydeous

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