“mean grade of ore district”的概念、定义、翻译、参考文献-科学参考

单词	mean grade of ore district
释义	mean grade of ore district Encyclopedia 理学固体矿产工业指标释 mean grade of ore district矿床（区）平均品位整个矿区固定的矿体中有用元素或有用矿物含量的平均含量。
随便看	the ten kind shows of ceremonial music and dance The Tenth Volume of the Selected Poems of the Yuan Dynasty The Terminator the test of ballistic reentry the test of tea safety The Textbook of Morality Cultivation for Middle School the textile industrial city of Manchester The Textile Institute The Text Retrieval Conference，TREC The Textual Research of Eight Extraordinary Meridians The Thaw The Theater of the Sun The Theater Practice The Theatre in Prisons and Probation Research and Development Centre The Theatre of the Absurd The Theatre of Workshop '71 the theoretical system of publishing science the theories of urban agglomeration in China the theories of urbanization in China the theories of urban system in China the Theory about ZhongHua and YiDi the theory of agriculture as national basis the theory of Bian Zheng the theory of climate regulation of rodent populations the theory of commercial warfare with western powers

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