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Farewell Address
《告别词》
1796年9月17日美国首任总统G.华盛顿卸任前向美国人民发出的告别文告。
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rare earth liquid-membrane extraction separation and enrichment
rare earth magnetic materials
rare earth metal
rare-earth metal
rare-earth metal catalyst
rare earth metal ore deposit
rare earth metal refining
rare earth metals metallurgy
rare earth molten salt electrolysis
rare earth molten salt electrolysis in chlorides
rare earth molten salt electrolysis in fluorides
rare earth nitrate
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rare earth oxidation-reduction separation and purification
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rare earth perchlorate
rare-earth permanent magnet
rare earth permanent magnetic material
rare earth permanent magnetic materials
rare earth permanent magnetic material with low temperature coefficient
rare earth phosphate
rare earth pyrometallurgy
rare-earths-cobalt perma-nent magnetic material
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