weighted geometric index number

例句：

1. 1. The weighted geometric mean of thedata is calculated to determine its overall trend.
   计算数据加权几何均值以确定其总体趋势。
2. 2. In this study, we useda weighted geometric mean index to evaluatethe effectiveness of our interventions.
   在本研究中，我们使用加权几何均值指数来评估我们干预措施的有效性。
3. 3. The weighted geometric mean index is often used ineconomics to measure the average growth rateof a country's economy over acertain period.
   加权几何均值指数在经济学中常用来衡量一个国家在一定时期内的平均经济增长率。