unit for measuring sound intensity, voltage, etc.
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Meanings
1 sense · 3 examplesmeasure word
bel; unit for measuring relative magnitude of sound intensity, voltage, power, etc.
technicalSymbol: B. Named after inventor Alexander Graham Bell. Often used in its decibel (分贝) form in practice, as 1 B = 10 dB.
Bèi贝
ěr尔
shì是
shēng声
qiáng强
jí级
de的
dān单
wèi位
。
The bel is a unit of sound intensity level.
Zhè这
ge个
xìn信
hào号
de的
gōng功
lǜ率
zēng增
yì益
wéi为
sān
bèi3
ěr
贝
尔
。
The power gain of this signal is 3 bels.
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Fēn分
bèi贝
shì是
bèi贝
ěr尔
de的
shí十
fēn分
zhī之
yī一
。
A decibel is one-tenth of a bel.