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疾病发生形式
释义
疾病发生形式
Encyclopedia
农学
兽医流行病学观察性研究
释
pattern of disease occurrence;epidemic intensity of disease
疾病发生形式
在特定空间和特定动物群体中,一定时期内,动物疾病随时间变化而发生的病例数量变化以及各病例间的联系程度的改变。又称疾病流行强度。
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left-handed polarization, levopolarization
left handed polarized waves
left-handed polarized waves
left-handed reference frame
left-handed rotation
left-handed system
left handed transmission line
left-handed transmission line
left-handed trihedral
left-handed upper continuous
left-hand inclusion
left-hand lower derivative
left-hand lower limit
left-hand parenthesis
left-hand rule
left-hand side
left hand spinors
left-hand upper derivative
left-hand upper limit
left hereditary ring
left heredity
left Hermite ring
left homotopy inverse
left ideal
left ideal of an algebra
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