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- major antigenic shift 抗原性的巨大变异, 抗原性的不连续变异
- Pandemic influenza emerges as a result of influenza viruses undergoing major genetic changes known as antigenic shift. 大流行流感出现的原因,是因为流感病毒出现称为抗原转移的重大基因变异。
- The surface antigens of influenza viruses undergo frequent changes. Such changes can be minor called antigenic drift or major called antigenic shift. 流感病毒的表面抗原会常常改变,这些改变有时较小,称为抗原漂移antigenic drift,有时则较大,称为抗原转移antigenic shift。
- Antigen shift :major changes in the antigenicity of an influenza virus.It is the basis for the flu epidemics, pandemics. 甲型病毒“飘变”的结果是流感每年都会发生，每年引发流感的毒株都有可能不同，人们每年都需要重新接种流感疫苗进行预防。
- The HLA (Human Leukocyte Antigen) is the major antigenic system of histocompatibility in human . 人类白细胞抗原)是人类主要组织相容性抗原系统.
- The CPV structural protein P32 was specific to CPV and has a major antigenic determinant, sequence of P32 gene is also conserved to CPV genome. 结构蛋白P32是CPV的特异蛋白,包含病毒粒子的主要抗原决定簇,并且P32基因具有很高的保守性,对CPV具有诊断意义。
- The N protein is the major antigen of SARS-CoV. Antibody in human can last more than 3 years. SARS-CoV的N蛋白是免疫原性较强的抗原,感染3年后仍存在高滴度抗体;
- Spike protein of coronavirus is considered to be the major antigen and contains many potential antigenicity domains. 突起蛋白是冠状病毒的主要抗原,包含许多抗原决定簇。
- major antigenic domains of HN gene HN基因主要结构域
- the major antigenic segment of Japanese B encephalitis virus E protein 乙型脑炎E蛋白主要抗原片段
- The skirmish grew into a major battle. 小冲突扩大形成大战斗。
- Some slight incident may touch off a major war. 某个小事件可能会引发大战争。
- Local fighting might spark off a major war. 局部战斗有可能引发一场大规模战争。
- Narcotics are a major threat to health. 毒品是危害健康的大敌。
- A major has a crown on the shoulder of his uniform. 一名少校在制服的肩部有个王冠形的纹章。
- antigenic shift 抗原更换,抗原性非连续变异
- A captain is inferior to a major. 上尉的级别低於少校。
- Even a limited confrontation can escalate into a major war. 即使是局部的对抗也可能扩大成一场大战。
- There were four major quakes in this century. 本世纪有四次大的地震。
- I major in French and minor in English. 我学习的主科是法语，副科是英语。
