4-point scale

4点刻度
再问： 能否具体解释一下
再答： 你能否多给些背景信息？
再问： 是一个药物实验中的用词。 原文： The primary outcome measure is to assess the Korean red ginseng frequency of ILI onset in participated subjects. Secondary variable measures will be included severity and duration of influenza-like illness symptoms. The influenza-like illness symptoms will be scored by subjects using a 4-point scale.
再答： 轻微类流感症候将从使用一个4量点刻度的项目中获得。 4量点刻度应该是指拥有4个量点的刻度，如 1，2，3，4四个刻度。