extension of metrics

例句：

1. 1. The company's newproduct line is an extension of its existingmetrics.
   该公司的新产品线是对现有指标的扩展。
2. 2.The research team has developed a new metricto measure the effectiveness of their intervention.
   研究团队开发了一种新的指标来衡量他们的干预效果。
3. 3.The extension of metrics is crucial for understandingcustomer behavior and improving marketing strategies.
   度量的扩展对于理解顾客行为和改进营销策略至关重要。