《英汉医学词典》randomized controlled clinical trial 随机对照临床试验 randomized clinical trial: 随机临床试验controlled randomized trial: 随机对照试验randomized controlled trial: 随机对照试验controlled clinical trial: 临床对照试验randomized trial: 随机比对临床试验; 随机化试验下载手机词典可随时随地查词查翻译