profile section短语⁷⁰⁶⁵⁸ 基本例句 剖面 The instrument obtains2-D data of the screw axis profile section by linear matrix CCD through with optical projection and machine driving, and then works out its parameters. 它采用光学投影的方法,结合机械传动,通过线阵 CCD器件,获取螺纹轴剖面外轮廓的二维数据,通过微机处理以后,得到螺纹的几何参数。 cnki The system obtains2- D data of the thread axis profile section by CCD with optical projection and machine driving. 该系统采用光学的方法,借助机械传动通过 CCD摄像,获取螺纹轴剖面外轮廓的数字图像。 cnki