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1. The twin tetrodes in the circuit are essential for the proper functioning of the device.
电路中的双极管对于设备的正确工作至关重要。
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2. The engineers designed a new twin tetrode that could detect and respond to changes in theenvironment.
工程师们设计了一种新型的双极管，能够检测并响应环境的变化。
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3.The twin tetrodes were used in the development of modern electronic devices, such as computers and mobile phones.
双极管在现代电子设备的发展中发挥了重要作用，如计算机和手机。