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abbr.note below 附注;no bias (relay) 无偏压(继电器);no ball 投球无效(板球);nanobar(n) 毫微靶(恩)(面积单位) 英英释义: NB[ ,en 'bi: ]n.a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium同义词:niobiumatomic number 41a Latin phrase (or its a