sliding curve meaning in English

滑动曲线
滑坡曲线

Third , use the software of matlab , extract the contour pels from the defect of experiment image . multinomial function and the interpolation function was to make the disperse datas change slide curve . after this , the defects were more analysed
第三,运用matlab软件,从实验图像中取出有用的缺陷的轮廓象素,并采用多顶式和插值曲线拟合方法对离散数据进行处理,在此基础上对缺陷进行分析。