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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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