The transparent platy member and the inserting piece are arranged with a plurality of optical line reflection points, or optical line refraction points, or laser breakdown points.
透明板状构件和插片中设置有复数个光线反射点、或者光线折射点、或者激光破坏点。
The optical line protection system (OLP) is a long-distance optical transmission network production system, which has a very important practical value.
光线路保护系统是一种基于现代通信毫秒级光开关为基础的具有重要实践意义的长距离光传输网络保护系统。
Interior illumination should make use of lamplight, optical line should not reflex on the salt screen and the illumination should be darker than normal illumination.
室内照明应间接地利用灯光，且光线不要直接反射至萤光屏上，使用的亮度要比平常用的暗一些。
Interior illumination should make use of lamplight, optical line should not reflex on the salt screen and the illumination should be darker than normal illumination.
室内照明应间接地利用灯光，且光线不要直接反射至萤光屏上，使用的亮度要比平常用的暗一些。
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