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pro vyhledávání: '"周奇峰 Zhou Qi-feng"'
Publikováno v:
Optics and Precision Engineering. 19:51-55
To compare the luminous efficiencies of different street lightings,it is necessary to establish an appropriate photometric measuring model.In this paper, two kinds of traditional street lights and two kinds of Lighting Emitting Diode(LED) sources wer