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单词
bel
释义
bel
/bel/
n.
a unit used in the comparison of power levels in electrical communication or intensities of sound, corresponding to an intensity ratio of 10 to 1 (cf.
参见
DECIBEL)
贝,贝尔
(
电平单位
)
[A. G.
Bell
, inventor of telephone d. 1922]
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更新时间:2025/8/23 13:10:15