regression lines

For measuring the four discharge characteristic lines of spool valve, and then calculates overlap values by regression method.

通过测量滑阀阀口四条流量特性曲线，利用回归的方法计算出滑阀的叠合量。

The two regression lines of the number of single-ear ill grain and of the blighted grain rate may use the same regression coefficient, i.e. 2.249.

桂朝二号、特青一号的单穗病粒数与秕粒率的二条回归直线可以用一个回归系数即2.248。

According to correlations and the regression lines of scatter plot between geometric parameters and rotation of the joint, an especial expression between geometric parameters and moment-rotation was discussed. An analytical method for moment-rotation elastic model was developed.

通过几何参数与转角的相关关系和散点趋势图，探讨了几何参数与弯矩-转角间隐含的一种特殊关系表达式，提出了节点弹性阶段的弯矩-转角公式模型构建方法。