“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	family of parameters family of planes family of points family of polynomials family of population distributions Family of Revolutionaries family of sets family of several parameters family of solutions family of straight lines family of supports family of surfaces family of Thimig Family Opera Troupe Family Opera Troupe of Ming and Qing Dynasty family-orientation family parameter Family Periodical Group Ltd family planning family planning clamp family planning operation instruments family-planning policies of rural population family planning statistics Family Policy family politics

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。