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cold cathode英英字典_cold cathode剑桥英语解释_cold cathode柯林斯英文解释_欧米惠必应词典
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cold cathode

C 开头单词

柯林斯词典

    cold cathode

  • 1. N a cathode from which electrons are emitted at ambient temperature, due to a high potential gradient at the surface 冷阴极[electronics]

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