To do that click on thedraw a freehand spline icon and selectrectangle .

要做到这一点，请点击画写意花键图标，并选择矩形。

Spline convolution for resolving overlapped voltammetric peaks .

重叠伏安峰的样条卷积法分辨。

Rectangle spline broaches grading of product quality .

矩形花键拉刀产品质量分等。

Considering that some bonds in domestic market are inaccurately priced , we proposed a robust spline model to fit the term structure of interest rate in our bonds market .

针对我国国债市场部分债券价格扭曲的情况，提出一种基于抗差估计的样条期限结构模型，来拟合我国国债利率期限结构。