Thus to create a good lighting environment for the traffic squares, we should not only pay attention to the horizontal illuminance, but also vertical illuminance within the space.
因此塑造良好的交通广场照明环境不能只注重水平照度，还包括垂直方向的光线数量。
2
Aiming at the safety requirement for the traffic and transportation under bad visibility weather, a lidar visibility meter is designed to measure the horizontal and slant visibility.
针对不良能见度天气下的交通运输安全需求，设计了一台可用于水平及斜程能见度测量的激光雷达能见度仪。
3
Based on surrounding environment, traffic requirement and construction experience, authors use horizontal freezing method to reinforce soil and mine method to excavate tunnel.