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群体免疫
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群体免疫
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医学
群体免疫
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herd immunity
群体免疫
根据某种传染病流行区域与人群发病等流行病学特点,在人群中进行大规模的疫苗或菌苗接种以预防和控制其传播流行的措施。又称社区免疫。
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Jordan
Jordan algebra
Jordan arc
Jordan basis
Jordan block
Jordan-Brouwer separation theorem
Jordan canonical criteria
Jordan canonical form
Jordan canonical matrix
Jordan Chevalley decomposition
Jordan-Chevalley decomposition
Jordan close curve
Jordan content
Jordan criterion
Jordan curve
Jordan curve theorem
Jordan decomposition
Jordan decomposition of signed
Jordan decomposition of signed measure
Jordan decomposition theorem
Jordan-Dedekind chain condition
Jordan-Dedekind lattice
Jordan-Dedekind property
Jordan-Dedekind space
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