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| 单词 | attenuation |
| 释义 | attenuation/ətɛnjʊˈeɪʃ(ə)n /noun [mass noun] 1The reduction of the force, effect, or value of something: human security required the attenuation of a wide range of threats to people...
1.1The reduction of the amplitude of a signal, electric current, or other oscillation: the products are used mostly by aircraft manufacturers for noise attenuation in engine housings [as count noun]: attenuations of the order of 50 to 200 dB are required...
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