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鸡传染性支气管炎
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鸡传染性支气管炎
Encyclopedia
农学
〔禽传染病〕
释
infectious bronchitis
鸡传染性支气管炎
由传染性支气管炎病毒(infectious bronchitis virus, IBV)引起的,以病鸡出现咳嗽、喷嚏和气管啰音等呼吸道症状,以及肾脏肿大、尿酸盐沉积,输卵管发育不全,产蛋鸡的产蛋率和蛋品质下降为特征的急性、高度接触性传染病。
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stationary submanifold
stationary subset
stationary system
stationary tangent
stationary tangent plane
stationary time series
stationary trajectory
stationary transition probability
stationary value
stationary variational inequality
stationary varifold
stationary vector
stationary watt hour meter technology
stationary wave
stationary wave method
stationary X/γ radiation monitor
station-based assembly
station beam
Station, Beijing
station building subsidiary
station center coordinate system
station control system
station coordinate
station correction
station drift
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