Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/73ff9a4847f4a6ce697e3d270c63c732.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 simple random sampling with replacement例句_simple random sampling with replacement英汉例句_simple random sampling with replacement双解例句_贰靶汉英词典
Firstly, we give an effective sampling design: a simple random case sample with replacement is drawn out of all cases; 首先，我們設計了一個有傚的抽樣方案：採取簡單隨機抽樣從病例組抽取樣本；