美国纽约一所技术研究所的研究人员研制出一种新型智能防盗警铃。它能辨认各种噪声,对玻璃破碎声尤为敏感。因为夜盗者破窗或破门入室通常都要敲破玻璃。而传统防盗报警器很难辨认各种噪声的差别,往往发出一些假报警,弄得人心惶惶,因为玻璃 Researchers at a technology institute in New York, USA, developed a new type of smart anti-theft alarm bell. It can identify various noises and is especially sensitive to the broken glass. Because the night robber breaks the window or breaks into the room, he usually breaks the glass. While traditional burglar alarms are difficult to identify various noise differences, they often give false alarms that make people feel uncomfortable because of glass.