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- Keywords SARS CoV antibody;affective factors;population immunity; SARS冠状病毒抗体;影响因素;隐性感染;
- This vaccine will give you immunity for two years. 接种这种疫苗可有两年免疫力。
- This city has a population of more than 1,000,000. 这个城市人口超过一百万。
- A desert has no settled population. 沙漠没有固定的居民。
- Population immunity level of measles, diphtheria and whooping cough among in Shantou 汕头市部分人群麻疹、白喉、百日咳免疫水平调查
- A temporary immunity or exemption; a reprieve. 宽恕; 赦免临时性的豁免或免除; 缓期，暂减
- There was a steady increase in population. 人口在不断增长中。
- What is the population of this country? 这个国家的人口是多少？
- Disease has decimated the population. 疾病使大部分人死亡。
- The population of the island has sunk from100 to20. 这个岛上的人口从容不100人减少到了20人。
- What is the population of Ireland? 爱尔兰人口有多少?
- There was a swell in the city's population. 该市出现过人口膨胀。
- In ten years the city's population expanded by 12%. 十年之中,该城人口增加了百分之十二。
- The population of this country rose by 10 percent. 这个国家的人口增长了百分之十。
- What is the total population of Japan? 日本的总人口为多少?
- The town has a population of ten thousand. 这个镇有一万人口。
- Our population is concentrated in the big cities. 我国人口集中在大城市里。
- The country has a population of 100 million. 这个国家有一亿人口。
- The population in this area has increased fourfold. 该地区的人口已增加到四倍。
