读了贵刊１９９８年第１０期云龙所著《如何用好希望点列举法》。他的希望点是灯泡长寿，并说，国外有人致力于长寿灯泡的研究，已开发出理论上讲寿命无限的电子灯泡。从现在的情况来看，这种灯泡进入千家万户非常遥远。我有一个应急之策可供生产厂家参考，我想会受广大消费者 Read your magazine in 1998 the tenth period Yunlong “how to make good use of hope list enumeration method.” His point of hope is the longevity of the light bulbs, and said that some people abroad are committed to the study of longevity bulbs, has developed a theory of unlimited life of electronic bulbs. From the current situation, this light bulb into the tens of thousands of households is very far away. I have a policy of emergency for manufacturers reference, I think will be affected by the vast number of consumers