This thesis adopted single scanning algorithm which is of constant. Because the measurement time is transient, this kind of method is very suitable for high speed measurement on line.

由于本论文采用的单趟的扫描算法是一个常量级的算法，使得检测时间短暂，所以这种方法非常适合在线的高速检测。

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Method CT scanner frame incline to the head. The position line and Lumbar Isthmus are parallel to each other. The Angle of scanning are opposite to the intervertebral discs level.

方法CT扫描架向头侧倾斜，定位线与腰椎峡部平面平行，扫描角度与间盘层面相反。

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Compared with scanning along straight line, more smooth and round corner can be achieved by using parallel line method.

同激光沿直线扫描弯曲成形相比，用该方法能使板材在弯曲处获得良好的圆角过渡区，使板材的弯曲变形更光滑。

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