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My factory is enterprise of a state-operated, produce dynatron of crystal of medium, small-power.

【摘要】家国营企业,生产中、小功率晶体三极管

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The phototransistor was installed through holes in the top of the case, and enclosed in a brass tube that was painted black inside and out.

该光三极管通过安装在洞上方的情况下,密封在铜管,这手绘的黑色内。

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Crash Course 综合篇

P and N-type semiconductors can also be combined in sets of three.

P 和 N 型半导体也可以集成成,它们是晶体

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科技 Crash Course

Only if transistor A AND transistor B are on does the output wire have current.

只有A和B导通,输出线才有电流。

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TED-Ed(视频版)

The next stage was the triode, which uses a third electrode called the grid.

下一阶段是,它使用称为栅个电

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TED-Ed(视频版)

The ability to amplify signals also made the triode crucial for radio and long distance communication.

放大信号也使对于无线电和长距离通信至关重要。

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TED-Ed(视频版)

With 18,000 triodes, ENIAC was nearly the size of a tennis court and weighed 30 tons.

ENIAC 拥有 18, 000 个, 几乎有一个网球场那么大,重达 30 吨。

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科技 Crash Course

These triode vacuum tubes would become the basis of radio, long distance telephone, and many other electronic devices for nearly a half century.

这些真空将成为无线电、长途电话,以及近半个世纪其他电子设备基础。

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