lag covariance

例句：

1. 1. The lag covariance between the stock market and real estate is a key factor in predicting futuretrends.
   股市和房地产市场之间的滞后协方差是预测未来趋势的关键因素。
2. 2. In this study, we found a significant positive correlation between the lag covariance of temperature and precipitation.
   在这项研究中，我们发现温度的滞后协方差与降水量之间存在显著的正相关关系。
3. 3. The researchers used the lag covariance to analyze the relationship between economic growth and inflation.
   研究人员利用滞后协方差分析经济增长与通货膨胀之间的关系。