parametric regression coefficient

例句：

1. 1.The parametric regression coefficient is used to estimate the relationship between variables.
   参数回归系数用于估计变量之间的关系。
2. 2.In this study, we found that the parametric regression coefficient was significant at the 0.05 level.
   在这项研究中，我们发现参数回归系数在0.05水平上是显著的。
3. 3. The parametric regression coefficient helps us understand the relationship between variables moreaccurately.
   参数回归系数帮助我们更准确地理解变量之间的关系。