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不同光源照明的比较 Comparision among lightings with different Light Sources:

Lighting SourceLight efficiency (LM/W)Color Temperature(K)Life Span(Hours)
LED1202,700-20,000K20000-100000
Incandescent1528001000
Halogen light2530002000-2500
Fluorescent light60-70-10000-12000
Hi-pressure mercury light503300-44006000
Metal halide lamp853000-56006000-20000
Hi-Pressure Sodium Lamp1202000-250024000
High frequency   discharge lamp703000-800040000-80000


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