A unit of measurement used in comparing voltages, currents, power levels, or other quantities (and esp. in measuring attenuation over…
单词 | θ76802 |
释义 | the world > matter > physics > science of sound > [noun] > instrument measuring intensity > unit comparing intensities (1) neper1922 A unit of measurement used in comparing voltages, currents, power levels, or other quantities (and esp. in measuring attenuation over… |
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