“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	vocal recitation and written scores of gong and drum music vocal styles of Pihuang operas vocal tract vocal tract area functions Vocal Training vocanic eruption vocation Vocational Ability Development Promotion Act vocational adaptability of military job vocational and technical college vocational and technical teachers education vocational aptitude test Vocational Arts Education vocational basic education year vocational card sort vocational education vocational education and training in rural areas Vocational Education Assistance Act vocational education equity vocational education for ethnic minority vocational education for persons with disabilities vocational education group vocational education in France vocational education in Japan vocational education in prataculture

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。