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earth.sc. |
贝尔电平单位 |
telecom. |
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 |
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gen. |
贝尔声的单位; 贝尔 (音量,音强,电平单位); 河床沙岛; 孟加拉苹果树 |
archit. |
贝尔 (声音强度单位) |
avia. |
贝尔 (对数的底是10时的量级单位,用于可与功率类比的量) |
bot. |
孟加拉苹果 Aegle marmelos; 印度枳 Aegle marmelos; 木桔 Aegle marmelos |
busin. |
贝尔电平单位 |
el. |
贝尔以功率比的常用对数表示的电平单位 |
geophys. |
音强【电平,音量】单位贝尔 |
IT |
贝尔 |
met. |
贝电平,音量,音强单位 |
space |
贝 (尔,音量,音强,电平单位) |
tech. |
贝尔; 贝耳声音量级单位; 铃; 电铃; 门铃 |
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busin. |
贝; 贝尔; 10分贝 |
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sport. |
比利时 (National Olympic Committee) |
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English thesaurus |
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abbr. |
Belgian; Belgium |
abbr., names, dimin. |
Annabel; Arabella; Isabel; Isabella |
abbr., oil |
Beldon |
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abbr. |
Bellewe's King's Bench Reports |
abbr., commer. |
Belgian |
abbr., earth.sc. |
Belgium |
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abbr. |
Byelorussian |
abbr., avia. |
Belem, PA, Brazil; below... |
abbr., ecol. |
biological exposure limits (ya) |
abbr., ed. |
Benchmark Enrichment Learning |
abbr., ed., scient. |
Basic Education Lab |
abbr., el. |
bus exchange line; bus exchange logic |
abbr., med. |
Blood Ethanol Level; Bovine Embryonic Lung |
abbr., mil., air.def. |
ball character |
abbr., nautic. |
Belem, Brail |
abbr., O&G, sakh. |
BEL valves |
abbr., opt. |
yttrium lanthanum beryllate |
abbr., scottish |
Bharat Electronics Ltd (India) |
abbr., st.exch. |
Bell Atlantic Corporation |
abbr., tradem. |
Brown Electronic Labs |
comp., IT |
Bell |
mil. |
basic equipment list; bureau equipment list |
tech. |
bell character |
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abbr., earth.sc. |
below |
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abbr., med. |
Board Of Editors In The Life Sciences |
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abbr., busin. |
believe; below |
abbr., oil |
butoxyethyl laurate |