你们全都有权提出和回答问题。
这让研究者们能够在可信的信息基础上对药物的作用提出和回答问题,并且保护病人。
This allows researchers to ask and answer questions in a way that results in reliable information about the drug and protects the patients. Most clinical trials are classified into one of three phases
假设和理论,都是科学方法的一部分——它们是提出问题和依靠试验来回答问题的过程。
Hypotheses and theories are part of the scientific method - the process of asking and answering questions by experimentation.
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