名词
中文翻译：Unknown
同义词：
['quadrupole amplifier', 'four-pole amplifier', 'four-pole power amplifier']
例句：
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1. The tetrode amplifier was the first electronic device to amplify sound waves.
四极管放大器是第一个放大声波的电子装置。
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2. In the field of radio, the tetrode amplifier is used to boost the signal strength.
在无线电领域，四极管放大器用于增强信号强度。
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3. The tetrode amplifier is essential for transmitting high-quality audio signals over long distances.
四极管放大器对于在长距离传输高质量音频信号至关重要。