Unverified80% confidenceTradeoffTime unknown
声音大小与吸引力成正比但与持久性成反比：大音量哨片依赖较薄结构和大气腔，更易被咬穿失声；追求发声持久应选小巧金属哨片+厚壁包裹，牺牲部分音量
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80%
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Long-term
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