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贝尔
贝尔
gen.
bel
busin.
bel.
;
bel
el.
bel
geophys.
bel
IT
bel
|
直升机
直升机
interntl.trade.
helicopter
space
windmill
|
部
部
gen.
part
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
:
762 phrases
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