“herd immunity”的概念、定义、翻译、参考文献-科学参考

单词	herd immunity
释义	herd immunity Encyclopedia 医学群体免疫释 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。
随便看	principal partition principal part of an infinitesimal principal plane principal plane of crystal principal plane of photograph principal plane pattern principal planet principal point principal point of photograph principal polarization principal polynomial principal projection property principal punishment principal quantum number principal quintic form principal radius of curvature principal ray principal reduced form principal refractive index principal remainder principal representative principal right ideal principal right ideal ring principal ring principal role performance, additional role performance and double role performance of one character

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