“矿区平均品位”的概念、定义、翻译、参考文献-科学参考

单词	矿区平均品位
释义	矿区平均品位 Encyclopedia 工学〔矿产工业指标〕释 average grade of mine district矿区平均品位整个矿床（区）中有用组分的总平均含量。又称矿床平均品位。是从整体上衡量矿床贫富程度的一项参数，也是衡量某些矿床（尤其是矿石品位变化大的）在当前是否值得开发建设和开发后能否获得预期经济效益的一项指标。
随便看	character of a topological group character of a topological space character of a unitary representation character of discontinuity character of isotropy character of symmetric operation character-oriented protocol character person switching character printer characterpulse character recognition character rendering character retrieval character ring character segmentation character semigroup character set character set for Chinese character encoding character sheaf characters in popular form Characters of Shakespeare's Plays character space character spelling paradigm based on P300 characterstic spectrum character string

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