Application: They are wide used in vacuum electronics industries (e. g. the vacuum interrupter); end face and the inner annular surface of ceramic workpieces were plated.

应用范围：适用于真空电子行业(如真空灭弧室)陶瓷工件端面及内环面电镀镍等。

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It is anticipated that the results should provide a helpful reference for quality control of alumina ceramics, as well as the technologies with respect to materials and vacuum electronics.

希望能为电真空用氧化铝陶瓷的质量控制和检验提供理论依据，同时也为工艺方法(包括材料工艺和电真空器件工艺)的选择提供有益的技术参考。

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ELECTRONICS made a huge leap forward when the delicate and temperamental vacuum tube was replaced by the robust, reliable transistor.

当初强韧可靠的晶体管取代了脆弱不稳的真空管，为电子元件带来了飞跃性的进步。

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The lessons from disruptive innovation suggest that these technologies may never be as good as the absolute best human tutor (for example, the raw capacity of vacuum tubes still outpaces that of transistors, which disrupted the vacuum tubes in the consumer electronics market), but they will be plenty close.

FORBES: How Machine-Based Tutoring Could Disrupt Human Tutors

"When you slide that door open, all of the electronics are exposed to the near-vacuum, so we had to develop a solid-state breaker that was monitoring actual loads across that circuit, " Thompson said.

ENGADGET: Art Thompson, Red Bull Stratos' technical project director, talks circuit breakers, wind shear and biomedical data