本刊编辑部近年来，国际上照明工程领域中出现了一些热点课题，这些内容，人们或有所知或有所不知，也有的道听途说，“真假”难辨；甚至有些十分熟悉的内容快到了熟视无睹的地步了，他们或认为先人实践的先知先觉，或视作拿来主义，会用就可以了。块不知其中仍有许多奥妙，需 Editorial Department In recent years, there have been some hot topics in the field of lighting engineering in the world. Some people know or do not know, some say hearsay, “true and false” is hard to distinguish; even some very familiar contents To the point where they have turned a blind eye to them, they, or prophets who believe in the practice of their ancestors, are preoccupied with it or regarded it as a fetishism and will use it. I wonder if there are still many mysteries, needs