以下为句子列表：
英文: A highly evacuated electron tube containing an anode, a cathode, and a control grid.
中文: 三极管带有阳极、阴极和控制栅极的高真空的电子管
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英文: An electron tube having a cathode and an anode.
中文: 电子二极管有一个阳极和一个阴极的电子管
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英文: It joins rapidly, keeps in touch with the characteristic such as being reliable, apply to the radio equipment and electron tube instrument field and join the coaxial cable of the radio frequency extensively.
中文: 它具有连接迅速，接触可靠等特点，广泛应用于无线电设备和电子仪器领域连接射频同轴电缆。
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英文: The second electron tube is out of order.
中文: 第二个电子管坏了.
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