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鸡传染性支气管炎
释义
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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precapiliary resistance vessel
precapillaly sphincter
pre-capitalist law of population
precarburization
precast
pre-cast concrete
precast concrete double T slab
precast concrete frame-shear wall(core wall)structure
precast concrete frame structure
precast concrete frame structure with specially shaped columns
precast concrete shear wall structure
precast concrete structure
precast concrete track beam
precast pavement
precast prestressed composite floor slab
precast prestressed hollow floor slab
pre-cataclysmic binary
pre-cataclysmic variable
precategory
precaution
precautionary approach
precautionary demand for money
precautionary principle
precautionary principle of biosafety assessment
precautionary principle of EMF
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