Using a ruler, mark a light line with your pencil down the left-hand edge, about 1-2cm in.
用尺子在左边画一条直线，离边缘1 - 2厘米。
The height of one section of the object surface can be obtained after computing the pixel coordinates of the light line, and the whole 3d shape can be got with a one-dimension scanning rig.
通过对像面上亮线像坐标的计算可以得到物体上一个剖面的高度数据，如果再加上一维扫描就可以得到三维面形分布。
Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.
如果建设新的长途光纤通信网络，Light-line将是最大的受益公司之一。
Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.
如果建设新的长途光纤通信网络，Light-line将是最大的受益公司之一。
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