“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	near-selection theorem NEAR Shoemaker NEAR Shoemaker probe nearshore sediment observation nearshore wave nearshore wind power engineering nearside of the Moon near sight nearsighted eye near sight, myopia near-similarity near-solar space near-source accumulation near-space environment near space exploration near space maneuver penetration through near space vehicle near-square number near-square prime near-surface disposal near-surface geophysics near surface seismometer near synonym near-synonym indexing near-to-zero quality fault

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。