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

【摘要】我厂是一家国营企业,生产中、小功率极管

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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.

该光极管装在洞上方的情况下,密封在一个黄铜管,这是手绘的黑色内。

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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.

三极真空将成为无线电、长途电话,以及近半个世纪其他电子设备基础。

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TED-Ed(频版)

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

下一阶段是三极,它使用了一个称为栅极第三电极。

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TED-Ed(频版)

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

拥有18,000个三极ENIAC,积接近一个网球场,重量达30吨。

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TED-Ed(频版)

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

信号放大能力也使得三极在无线电和长途通信中至关重要。

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