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gene deleted live vaccine
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gene deleted live vaccine
Encyclopedia
理学
基因工程
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gene deleted live vaccine
基因缺失活疫苗
用基因工程技术将病原体中与毒力相关的基因删除或突变,使之毒力减弱甚至消失,但仍然保留其抗原性及一定的复制和感染能力,从而能够自然感染宿主细胞并产生免疫反应的疫苗。
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double-beam system
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double beta decay
double beta-decay
double blind experiment
double-block ballastless track
Double-bodied Vessel of the Sui Dynasty from Pingdu
double bond
double bond migration
double bridge
double bubble
double-bubble conjecture
double capsule technique
double category
double censoring
double certificate system
double-chain complex
double-chain condition
double channel sampler
double character group
double-circled domain
double circular weft knitting machine
double circulation
double-clad fiber
double cluster
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