| 释义 |
noun bɛlbɛl A unit used in the comparison of power levels in electrical communication or of intensities of sound, corresponding to an intensity ratio of 10 to 1. 贝，贝尔。参见DECIBEL See also decibel Example sentencesExamples - They are also exceptionally quiet, emitting just 2.1 bels of noise at idle.
- Select a heat pump with an outdoor sound rating of 7.6 bels or lower.
- The drives are rated at under 2.5 bels of acoustic power, the same level of acoustic noise produced by Seagate's PC drives.
- As for the acoustic characteristics of the drive it generates 2.4 bels of noise in the idle mode.
- The present invention is a computer chassis assembly that can adequately cool an electronic system which generates 450 watts of heat, without emitting cooling fan noise above 5 bels of sound power.
Origin1920s: from the name of A. G. Bell (see Bell, Alexander Graham). nounbelbɛl A unit used in the comparison of power levels in electrical communication or of intensities of sound, corresponding to an intensity ratio of 10 to 1. 贝，贝尔。参见DECIBEL See also decibel Example sentencesExamples - They are also exceptionally quiet, emitting just 2.1 bels of noise at idle.
- As for the acoustic characteristics of the drive it generates 2.4 bels of noise in the idle mode.
- The drives are rated at under 2.5 bels of acoustic power, the same level of acoustic noise produced by Seagate's PC drives.
- Select a heat pump with an outdoor sound rating of 7.6 bels or lower.
- The present invention is a computer chassis assembly that can adequately cool an electronic system which generates 450 watts of heat, without emitting cooling fan noise above 5 bels of sound power.
Origin1920s: from the name of A. G. Bell (see Bell, Alexander Graham). |