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 standard sources were employed in automatic evaluating, the evaluated point was selected according to its requirements, handled the data in real time and judged the result.
自动检定采用标准源法，按需选择检定点，实时处理其数据并判定结果。
The results from investigating and evaluating groundwater pollutant sources indicated that waste landfill was one of main pollutant sources.
地下水污染源调查评价研究表明，垃圾填埋堆放场是造成地下水污染的主要污染源之一。
The results from investigating and evaluating groundwater pollutant sources indicated that waste landfill was one of main pollutant sources.
地下水污染源调查评价研究表明，垃圾填埋堆放场是造成地下水污染的主要污染源之一。
应用推荐