每个晶体管至少有三个电极。

Every transistor has at least three electrodes.

《新英汉大辞典》

玻璃管两端内侧的电极与一个高压电源相接。

Electrodes inside each end of the glass tube are connected to a high-voltage source.

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玻璃管两端内侧的电极与一个高压电源相接。

Electrodes inside each end of the glass tube are connected to a high-voltage source.

youdao