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Keyword [the rare earth elements]
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1. The Rare Earth Elements Characteristics And The Comprehensive Utilization Research Of Devonian Shifang Phosphate Deposit
2. The Study Of Geochemical Characteristics And Metallogenic Regularity Of The Gold Mining Area In Jin Longshan Zhen Anxian Shaanxi Province
3. Characteristics Of The Rare Earth Elements‘ Accumulation Of Phosphorus Rock Series During The Early Cambrian,Guizhou Province
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