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节能灯是近年来涌现出来的新事物之一。研制这种灯的出发点是节约电能从而减少用户用于照明的开支,这自然是个不错的创意。但由于造价等原因,节能灯的价格委实不菲,单价大约是普通白炽灯的十倍左右。这样,节能灯的使用寿命至少应是普通白炽灯的十倍以上,用户总的支出才能减少,达到省钱的目的。遗憾的是,目前节能灯的质量并不好,其使用寿命是很短的,甚至还不如普通白炽灯。
Energy-saving lamps are one of the new things that have emerged in recent years. The starting point for the development of this kind of lamp is to save energy and thus reduce the user’s expenditure on lighting, which is naturally a good idea. However, due to cost and other reasons, the price of energy-saving lamps is very expensive, the unit price is about ten times that of ordinary incandescent lamps. In this way, the service life of the energy-saving lamp should be at least ten times that of the ordinary incandescent lamp, and the total expenditure of the user can be reduced to achieve the purpose of saving money. Unfortunately, the quality of current energy-saving lamps is not good, their service life is very short, and even not as good as ordinary incandescent lamps.