病例对照研究

case-control study的用法和样例:

例句

  1. The independent association between FL and angiographic CAD was assessed in this case?control study by considering the contribution of their shared risk factors.通过病例对照研究,考虑脂肪肝和冠状动脉疾病的共同的危险因素,研究两种疾病之间是否存在独立联系。
  2. Now, investigators have conducted a large population-based case-control study to evaluate the relation between PPI use and CAP.现在,研究者进行一个大样本的病例对照研究来评估两者的相关性。

1.Can I have a direct overseas call at the hotel? 我可以在旅馆直拨国际电话吗? 2.Can I telephone to Shanghai? 我可以打到上海吗? 3.Please tell me what time in Shanghai now. 请告诉我现在上海是什么时间。 4.Is it mid

发表于:2018-12-01 / 阅读(111) / 评论(0) 分类 随身应急英语会话

两者均可表示电报,但 telegram 指通过电报发出的电文,通常用作可数名词;而 telegraph 则指用电报发送信息的通讯方式,通常用作不可数名词。如: She received a telegram of congratulations. 她收到一份

发表于:2018-12-16 / 阅读(57) / 评论(0) 分类 英文语法词汇

World's Greatest Job, Up for Grabs* Calling all chocoholics. One of Britain's most exclusive grocery stores needs a new chocolate taster - and will pay 35,000 pounds ($54,400) a year for the successfu

发表于:2019-01-06 / 阅读(68) / 评论(0) 分类 阅读空间

Lets change the new Dongcheng district for the better Character: Student A, Student B Dustman, Vendor Guangqumen Bridge Place: Bridge Guangqumen Scene One - One day afternoon, the way home from school - Student AB A/B: We are the little little dustme

发表于:2019-01-08 / 阅读(50) / 评论(0) 分类 英文剧本

五岁男孩做俯卧撑创纪录 According to The Daily Telegraph on February 24, a five-year-old who has been called the world's strongest boy, caused a sensation when he performed 20 air press-ups.The physically demanding exercises,

发表于:2019-02-07 / 阅读(49) / 评论(0) 分类 阅读空间

1. clothes, cloth, clothing clothes 统指各种衣服,谓语动词永远是复数;cloth 指布,为不可数名词;clothing 服装的总称,指一件衣服用a piece of, an article of . 2. incident, accident incident 指小事件,accident

发表于:2019-02-21 / 阅读(49) / 评论(0) 分类 实用英语