decibel

/des-uh-bel, -buhl/US // ˈdɛs əˌbɛl, -bəl //UK // (ˈdɛsɪˌbɛl) //

分贝,分贝值,分贝数,分貝

Definitions

n.名词 noun

1
Physics.
- : a unit used to express the intensity of a sound wave, equal to 20 times the common logarithm of the ratio of the pressure produced by the sound wave to a reference pressure, usually 0.0002 microbar.
- : a unit of power ratio, the number of units being equal to a constant times the logarithm to the base 10 of the intensities of two sources.
- : a unit used to compare two voltages or currents, equal to 20 times the common logarithm of the ratio of the voltages or currents measured across equal resistances. Abbreviation: dB, db

The ANC does offer increased isolation and a more immersive experience than the Evo, but I couldn’t otherwise detect a huge sonic distinction, despite the slight difference in decibel output.
Understand the differences between fuel options and don’t overlook the decibel rating.
Some cities, including Greenwich, Connecticut, and Palm Beach, Florida, regulate the decibel volume and times of use of leaf blowers.
The frame is made with powder-coated steel tubing that resists scratching and staining, and while you’re adjusting it, the motor keeps the noise level relatively unobtrusive, at under 50 decibels.
Noise, or sound power, is measured in decibels and is an effective way of gauging the noise introduced by home appliances in relation to other common residential sounds.
The decibel levels fell a fraction, but we were still in the heart of a crowd that believed in Brazil.
Some men raise their voices when the argument heats up, and if women try to match their decibel level, they risk sounding shrill.
Their mission: to raise the awareness of poverty to the decibel level of other hot-button media issues.
The decibel level of all this at Fox and the usual redoubts will be deafening.
Maybe it was the fact that the candidates were sitting around a table, which clearly lowered the decibel level.