Warning: file_put_contents(): Only 0 of 6496 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 simple random sampling with replacement是什么意思，simple random sampling with replacement的翻译，simple random sampling with replacement音标、读音、用法和例句_耀久九英英词典
Firstly, we give an effective sampling design: a simple random case sample with replacement is drawn out of all cases; 首先，我们设计了一个有效的抽样方案：采取简单随机抽样从病例组抽取样本；