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电光源材料是和人类生活密切相关的材料。 2 0 0 1年 5月召开的第 15届国际普兰西会上发表的最新数据表明 ,目前全世界每年用灯 75亿只 ,耗电 2× 10 12 kwh,即要消耗全球 10 %～ 15 %的电量。在发达国家 ,比如法国和美国 ,电光源耗电量分别占其总电量的 11%和 2 5 % ,而发展中
Electric light source material is closely related to human life and materials. According to the latest data released at the 15th International Planty Conference held in May 2001, at present, 7.5 billion lights are consumed each year in the world and the power consumption is 2 × 10 12 kwh, which consumes 10% to 15% Of electricity. In developed countries, such as France and the United States, electric light sources consume 11% and 25% of their total electricity respectively, while developing