常見例句

雙語例句

• Firstly, we give an effective sampling design: a simple random case sample with replacement is drawn out of all cases;
  首先，我們設(shè)計(jì)了一個(gè)有傚的抽樣方案：採取簡單隨機(jī)抽樣從病例組抽取樣本；
返回 simple random sampling with replacement