So, we can rule out a randomized controlled experiment.
因此，我们可以将随机对照实验排除在外。
DESIGN: a randomized control study.
设计：随机对照研究。
DESIGN: a randomized control observation.
设计：随机对照观察。
DESIGN: a randomized controlled observation.
设计：随机对照观察。
DESIGN: a randomized single blind controlled observation.
设计：随机单盲对照观察。
Design: This was a randomized, controlled, crossover trial.
设计：这是一项随机对照的交叉试验。
Methods:this was a randomized, double blind controlled trial.
方法：采用随机双盲对照研究。
DESIGN: a randomized controlled prospective study was conducted.
设计：随机对照的前瞻性研究。
DESIGN: a randomized controlled research on technique and method.
设计：随机对照的技术方法研究。
DESIGN: a randomized self controlled study before and after treatment.
设计：随机、治疗前后自身对照研究。
Design: a randomized controlled and repeated measure design was adopted.
设计：随机对照、重复测量设计。
DESIGN: a randomized and controlled experiment, multiple variable analysis.
设计：随机对照实验，多变量分析。
In a randomized manner, some were given aspirin and some were given placebos.
在随机研究中，一部分受试者给予阿司匹林另一部分给予安慰剂。
DESIGN: a randomized controlled experimental study based on the experimental animals.
设计：以实验动物为研究对象，随机对照的实验研究。
METHODS: It was a randomized, double blind, double model, parallel controlled clinical trial.
方法：采用随机、双盲双模拟、平行对照方法。
Study Design. A randomized controlled trial.
研究设计：随机对照试验。
A Randomized, Controlled Trial of Total Knee Replacement.
全膝关节置换术的随机对照试验。
A Randomized, Controlled Trial of Total Knee Replacement.
全膝关节置换术的随机对照试验。
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