The region began to use quinine successfully as a prophylactic.该地区开始成功地用奎宁作为预防剂。I dosed myself with quinine.我服用了奎宁。Quinine has a bitter taste.奎宁有苦味....
In March Mr Salinas shut down the city's oil refinery at a cost of $500 million and 5,000 jobs.3月份，萨利纳斯先生关闭了该市的炼油场，造成5亿美元的损失，并使5,000人失去了工作。We might go into Salinas for dinner at a restaurant, and then to a picture s...
试验应用鸡公雏, 检测了人工合成青蒿素对鸡盲肠球虫病的预防效果.Using younger cocks, the preventive result of artificial synthesize arteannuin to Chicken Caecum Coccidiosis was examined.目的为比较中药和化学抗球虫药对兔球虫病的疗效.In order to compare the efficacy of Chinese...
该方法既适于自治系统又适于非自治系统.Above method can be applied to both autonomous system and nonautonomous system.研究具有年龄结构的非自治的SIS模型.In this paper , we study a nonautonomous SIS model with age structure.研究了一类利用线性状态误差反馈控制方法耦合的非自治悬臂振动系统的全...