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1. The engineer used a catcher resonator to improve the sound quality of the recording.
工程师使用了一个拾音器来提高录音的声音质量。
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2. The scientist discovered a new type of resonance in the material, which could be used in the construction of catcher resonators.
科学家发现了材料中的一种新共振现象，这种共振可以用来制造拾音器。
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3. The engineer designed a new model of catcher resonator that can better capture the high-frequency sounds.
工程师设计了一种新型的拾音器，可以更好地捕捉高频声音。