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群体免疫
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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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hot isostatic compaction of carbon/carbon composites
hot isostatic pressing
hot isostatic pressing diffusion bonding
hot isostatic pressing sintering of ceramic matrix composites
hot isostatic press sintering of ceramics
hot Jupiter exoplanet
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Hotline Report
hot lubricating rolling
hot luminescence
Hot Media,Cold Media
hot medicated compress
hot medicated compressing therapy
hot-melt fiber
hot melting sizing
hot melt painting
hot metal detector
hot metal ladle
hot metal pretreatment
hot metal pretreatment of dephosphorization
hot metal pretreatment of desiliconization
hot metal pretreatment of desiliconization,desulphurization and dephosphorization
hot metal pretreatment of desulphurization
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