wave chart

例句：

1. 1. To analyze the data, we need to plot a wave chart.
   为了分析数据，我们需要绘制一个波浪图。
2. 2.The scientist used a wave chart to illustrate the relationship between temperature and humidity.
   科学家使用波浪图来说明温度和湿度之间的关系。
3. 3.The company uses wave charts to track customer satisfaction and identify areas for improvement.
   该公司使用波浪图来追踪客户满意度并识别改进领域。