band curve chart

例句：

1. 1. The band curve chart shows the distribution of the population in the area.
   带状曲线图显示了该地区人口的分布情况。
2. 2. The band curve chart helps us understand the trend of the market demand.
   带状曲线图帮助我们理解市场需求的趋势。
3. 3. The band curve chart is used to analyze the performance of a product over time.
   带状曲线图用于分析产品随时间的性能表现。