You can test an intervention, such as an experimental drug or an educational program, in the purest way (a double-blind randomized controlled trial).

你可以测试一个干预，比如实验药物或一个教育计划，以最纯粹的方式(双盲随机对照试验)。

youdao

You can test an intervention, such as an experimental drug or an educational program, in the purest way (a double-blind randomized controlled trial).

你可以测试一个干预，比如实验药物或一个教育计划，以最纯粹的方式(双盲随机对照试验)。

youdao