spot diagram

• 光点曲线图

spot diagram的用法和样例：

例句

1. The diagram illustrates the rationale behind the analysis.
   曲线图表明了分析的基本原理。
2. He tried to illustrate the fact with a diagram of curves based on rough estimates.
   他试图以根据粗略估计做出的曲线图来说明情况。