There isn't a guidance method of evaluating luminous efficacy of light sources on road lighting yet resulted in the problem has not been solved at present.
由于目前国内尚缺乏定量地评价道路照明光源相对光效的指导方法，导致此问题一直悬而未决。
The solution for such problems will propose a theoretic guidance to urban light-scape design and lighting environment development in China.
对这些课题的深入研究和最终解决，将为我国的城市灯光景观和灯光环境建设提供理论上的指导。
Welcome friends to visit Yan Cheung Lighting Equipment co., Ltd., guidance and business negotiation.
欢迎各界朋友来到欣翔灯光设备有限公司参观、指导和业务洽谈。
应用推荐