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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。
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planewave basis set
plane wave Born approximation
plane wave decomposition
plane wave expansion method
plane wave expansion method, PWE
plane wave generator
plane waveguide
plane wave lens
plane wave solution of Dirac spinor wave equation
plane wave time domain method
plane wave time domain method, PWTD
planform
plan for national economic development
Plan for the Popularization of Senior High School Education (2017-2020)
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P. Langevin
P. Langevin, 1872—1946
planiform
planigon
planigraphy
planimegraph
planimeter
planimetering
planimetric
planimetrical
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