名词短语
中文翻译：非随机比较组方法
同义词：
['Non-randomized comparison group methods', 'Non-randomized comparative group methods', 'Non-randomized comparison group techniques']
例句：
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1. The researchers used nonrandomized comparison group methods to study the effectiveness of their new drug.
研究人员使用非随机比较组方法研究他们新药的有效性。
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2.This study employed nonrandomized comparison group methods to compare the efficacy of two different treatments.
这项研究使用了非随机比较组方法来比较两种不同治疗方法的有效性。
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3.The results of this study were analyzed using nonrandomized comparison group methods, which allowed for a more accurate assessment of the treatment's impact.
这项研究的结果显示了使用非随机比较组方法进行分析，这允许更准确地评估治疗的影响。