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证券投资
法人或自然人购买债券或股票等有价证券以获取利息或红利的投资行为。直接投资的对称。又称间接投资。
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material derivative
material derivative method
material dispersion
material electrochemistry
material epitaxy for semiconductor lighting
material equivalence
material ethics of value
material extrusion forming
material field
material flow analysis
material flow cost accounting
material for oil adsorption from water
material for opera costumes
material for operation and service of motor vehicle
material for reactor control
material for vacuum electronic device
material foundation of socialism
material genetic engineering
material grinding
material handling at construction site
material handling facilities of concentrators
material handling system
material handling system planning
material hemolysis
material hoist
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