natural infection meaning in English
天然感染
自然感染
Examples
- The clinical pathology development of porcine circovirustype 2 and s . suis natural infection cases
型和链球菌混合感染自然病例的临床病理学研究 - In addition to its healing abilities , chitosan has natural infection - fighting properties : fungi , viruses and other microbes seem unable to live on it
除了其愈合疗效之外此药膜还有抗感染功能：菌类，病毒和其他微生物都不能在其上生长。 - Sabin believed that live vaccines , which can replicate somewhat but are too weak to trigger disease , best mimic the protection acquired through natural infection
沙宾认为，活性不足以致病、但仍可复制的活病毒疫苗，最能够模拟因自然感染所产生的保护作用。 - The resistance of 7 grapevine varieties to plasmopara viticola was estimated by natural infection and inoculation on leaf discs in vitro , as well as artificial inoculation on plants in the field , in the meantime , the regular of p . viticola and three biochemical contents were also determined
摘要利用7个酒葡萄品种对霜霉病抗性进行了鉴定，并研究了不同感病性酒葡萄品种霜霉病的发生情况及霞多丽品种叶片内三项生化指标的变化。