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high purity precious metal materials
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high purity precious metal materials
Encyclopedia
工学
贵金属
释
high purity precious metal materials
高纯贵金属材料
化学纯度高、杂质含量少,与常规贵金属相比具有优异物理化学性能的新型贵金属材料。
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direct radiation grafting (simultaneous radiation grafting)
direct ratio
direct reaction
direct reaction model
direct recombination
Direct Recording of Infantile Tuina
direct-reduction iron
direct-reduction ironmaking
direct reduction reaction in blast furnace
direct reeling
direct refutation
direct regulating method
direct reporting network
Direct Response Marketing/ Direct Marketing
Direct-Response Television Marketing
directrix
directrix of a conic
directrix of a conical surface
directrix of a cylindrical surface
direct rule of inference
direct rule of three
direct sampling
direct sampling technique
direct search
direct search factorization
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