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汉语拼音：sān jí guǎn

1.由三个电极组成的一种电子元件。有电子管三极管和半导体三极管两种。电子管三极管由屏极﹑栅极﹑阴极组成;半导体三极管由集电极﹑基极﹑发射极组成。

1. 由三个电极组成的一种电子元件。有电子管三极管和半导体三极管两种。电子管三极管由屏极、栅极、阴极组成；半导体三极管由集电极、基极、发射极组成。

• The sinking digital output controls the line by using a transistor to leave the line high (at +V) or to ground the line to 0 V.

  Sinking数字输出通过三极管来控制连接线上的电平为高电平（+V）或是低电平（0V）。

• 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.

  该光敏三极管是通过安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。

• And non-gate transistor used to control the output signal of the open or off to control the launch tube infrared send a message.

  与非门的输出信号用来控制三极管的开通或关断，从而控制红外发射管发送信息。

• The signal output end of the triode can also be connected to the primary of the horizontal output transformer.

  三极管的信号输出端亦可接到行输出变压器的初级。

• This report examines the effects of using AC to heat the emitting structure ( filamentary cathode) of a Directly Heated Triode.

  本文旨在分析交流点灯对直热三极管电子发射部件（阴极灯丝）的影响与效果。

• The temperature had great effect to the triodes performance and made the quiescent operation point in circuitry unstable.

  温度对三极管的性能影响较大，使得电路中的静态工作点出现不稳定现象。

• I have seen a couple of other types in the other models, but the exact type of transistor has no significant effect on the sound.

  我已经看到了一些其他类型的其他模型，但具体型号三极管无明显影响发音。

• Note that the base of the transistor is not used; the transistor functions as a diode.

  我们可以注意到，图中三极管的基极空接，被当做一个二极管使用。

• structures of LET(light emitting triode)are much fine and with high yields, it is for high speed punch with very high precision and life.

  发光三极管的引线框结构较为精细，产量很大，用高速冲床生产，对模具的精度和寿命要求很高。