根据几何光学知识分析了激光标线原理。
The principle of straight line laser is analyzed based on geometric optics theory.
利用几何光学方法阐述激光标线仪标线的基本原理。
The principle of laser marking-off equipment is introduced by use of geometric optics.
用于高速公路、市内道路反光标线的直线、虚线、曲线、导向箭头、文字等。
It may be used for highway urban road reflective marking of straight line, dotted line, curve, oriented arrow, letters.
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