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1.The see-saw amplifier was used to amplify the audio signal.
摇摆放大器被用来放大音频信号。
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2.The engineer designed a new see-saw amplifier for better performance.
工程师设计了一种新型的摇摆放大器，以获得更好的性能。
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3. The see-saw amplifier was used in the recording studio to enhance the sound quality.
摇摆放大器在录音棚中被使用来提高音质。