曲线的平面 meaning in Chinese

plane of curve

Placement outline curves are not planar . floor outline curves are not planar . top outline curves are not planar
如果要求将轮廓曲线投影到与曲线的平面垂直的面上，并且曲线不是平面的，则显示以下消息。
In order to obtain the image of absolute point , we design two kinds of planar model . and they are equilateral - polygon planar model and planar model that containing more than two circles
为了从图像中获得圆环点的图像，我们设计出二类不同的平面模板：正多边形平面模板和包含二条以上圆曲线的平面模板。