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美 国科学家研制成一种新型的无荧屏电视机 ,这是电视技术的一大创新。现在使用的电视机 ,都必须将画面在荧屏上成像后才能看到 ,无荧屏的电视机似乎是不可想象的。美国华盛顿大学的研究人员试制了一种称为“虚像视网膜显示器”的装置 ,该装置利用激光扫描将图像直接成像在眼球
American scientists developed a new type of screenless TV, which is a major innovation in television technology. The television sets that are used now have to be able to see the picture on the screen before it can be seen. A screenless TV seems inconceivable. Researchers at Washington University in the United States tried out a device called a “virtual retinal display” that uses laser scanning to image an image directly at the eyeball