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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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equal sign
equal-spaced projection
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equal-spin-pairing state, ESP state
equal tails test
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equal thickness fringes
equal thickness interference
equal-time commutation relation
equal time sample design
equal to
Equal traffic rights
equal triangles
equal trivectors
equal value gray scale
equal vectors
equal weight average combination
equal weighted rate of return
equant
equantequation
equate
equating
equating based on classical test theory
equating based on item response theory
equating coefficients
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