bivariate Pascal distribution

例句：

1. 1. The relationship between temperature and precipitation is bivariate.
   温度和降水之间的关系是双变量的。
2. 2.In this study, we used a bivariate method to analyze the data.
   在这项研究中，我们使用了一个双变量方法来分析数据。
3. 3. The bivariate analysis showed that there was a significant correlation between the two variables.
   双变量分析显示，这两个变量之间存在显著的相关性。