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贝尔
贝尔
gen.
bel
busin.
bel.
;
bel
el.
bel
geophys.
bel
IT
bel
|
南方公司
南方公司
commer.
Southern Co.
to phrases
贝尔
bèi’ěr
busin.
bel.
贝尔
电平单位
bèi’ěr
busin.
bel
贝尔
以功率比的常用对数表示的电平单位
bèi’ěr
el.
bel
贝尔
bèi’ěr
IT
bel
贝尔
表示两个功率比的传输单位, 为纪念电话发明者 Alexander Graham Bell 而命名,=l0log W₁/W₂,通常使用其十分之一,即 decibel—dB
bèi’ěr
telecom.
Bel
贝尔
声的单位
bèi’ěr
gen.
bel
音强【电平,音量】单位
贝尔
bèi’ěr
geophys.
bel
贝尔
美 Alexander Graham Bell, 1847-1922 年,电话发明者
bèi’ěr
telecom.
Bell
贝尔
:
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