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.
道路划线分为：热熔标线，常温冷漆标线，彩色防滑标线，振荡防滑反光标线和预成型标线。
Roadmarking divided into: hot melt reticule, normal temperature cold paint line, color antiskid reticule, oscillation antiskid reflect light marking and processing preforms reticule.
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