weighted curve

例句：

1. 1. The weighted curve is used to calculate the average of a set of values.
   加权曲线用于计算一组值的平均值。
2. 2. In this study, we used a weighted curve to analyze the relationship between temperature and precipitation.
   在这项研究中，我们使用加权曲线来分析温度与降水量之间的关系。
3. 3.The weighted curve was used to predict future trends in the economy.
   加权曲线被用来预测未来经济趋势。