“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	Hardy-Littlewood method Hardy-Littlewood problem Hardy-Littlewood-Sobolev inequality Hardy-Littlewood supremum theorem Hardy-Littlewood theorem Hardy norm Hardy-Ramanujan number Hardy-Ramanujan theorem Hardy rule Hardy space Hardy theorem Hardy transform Hardy variation Hardy-Weinberg equilibrium Hardy-Weinberg law Hardy Z-function Hardy–Weinberg equilibrium，HWE hard zone hard γ-rays hare Hare method harem system in ancient China Haresh Sharma Haret Harewood House Garden

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