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1.Several kinds of tungsten thermonic cathode were introduced.Moreover, the advances in the cathode with a monoatomic layer on the molybdenum substrate were reviewed.

1.概述了几种电子阴极料的展及钼原子膜阴极的现状。

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Euronet, Europa, EuropaNET, Europatent, Europe, European, european beech, European Central Bank, European chestnut, European Community,

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3G, 401(K), a,

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