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测声器 声强计 声响度计
phonometer
detail>>
声响度计
phonometer
detail>>
声强计
acoustic meter acoustimeter acoustometer intensimeter phonometer sound inte...
detail>>
测声器
acoumeter acoumetre acousimeter phonemeter phonmeter sound meter sound...
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声强计, 测音器
sound intensity meter
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扬声器声圈
loudspeaker voice coil
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光谱测声器
spectrophone
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回声测声器
echo sounding apparatus
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复合声响度
loudness of complex sound
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噪声响度
loudness of noise
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噪声响度级
loudness level of noise
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响度计
phonometer program meter sound level meter
detail>>
声强度测量器,测声仪
acoustimeter acoustometer
detail>>
噪声响度指数
noise loudness indexes
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声强度计
phonmeter phonometer
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高声强传声器
high-intensity microphone
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节目响度计
program loudness meter
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传声器声压灵敏度
pressure sensitivity of microphone
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