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1.The beam-tetrode power amplifier is used in high-power audio systems to boost the signal.
束管式功率放大器用于高功率音频系统中以增强信号。
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2. The beam-tetrode power amplifier was developed by a team of engineers to improve the quality of sound.
束管式功率放大器由工程师团队开发，旨在提高音质。
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3. The beam-tetrode power amplifier has become a popular choice for home theater enthusiasts due to its high efficiency andlow noise level.
束管式功率放大器因其高效率和低噪音水平而成为家庭影院爱好者的热门选择。