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muscovy duck parvovirus infection
释义
muscovy duck parvovirus infection
Encyclopedia
农学
〔禽传染病〕
释
muscovy duck parvovirus infection
雏番鸭细小病毒病
由番鸭细小病毒引起的,临床特征为腹泻、气喘和脚软,病理变化以肠炎为主的幼龄番鸭急性、败血性传染病。传染性强,病死率高,1~3周龄多发。又称“三周病”。
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Euler line
Euler-Lipschitz method
Euler-Lucas pseudoprime
Euler-Maclaurin formula
Euler-Maclaurin integration formula
Euler Maclaurin summation formula
Euler-Maclaurin summation formula
Euler-Mascheroni constant
Euler-Mascheroni integral
Euler measure
Euler method
Euler motion equations
Euler necessary condition
Euler number
Euler number triangle
Euler operator
Euler parameter
Euler path
Euler pentagonal number theorem
Euler phi function
Euler phi-function
Euler-Poincare characteristic
Euler-Poincaré characteristic
Euler-Poincaré class
Euler-Poincaré formula
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