Question2. What do you need to know in order to find out the sample size calculation in a RCT?
在随机对照试验中进行样本量计算你需要知道哪些内容？
Question2: you know, many people are reluctant to request someone, especially a stranger to offer help.
问题2：你知道，许多人不愿求人，尤其是向陌生人求助。
Question2: Please provide the arrangement plan of the station and yard with elevation of surrounding roads and control points.
问题2：请提供带有周边规划道路及控制点标高的站场平面布置图。
Question2: you know, many people are reluctant to request someone, especially a stranger to offer help. Can you understand what I mean?
问题2：你知道，许多人不愿求人，尤其是向陌生人求助。你能理解我的意思吗？
Question2: you know, many people are reluctant to request someone, especially a stranger to offer help. Can you understand what I mean?
问题2：你知道，许多人不愿求人，尤其是向陌生人求助。你能理解我的意思吗？
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