“死角”现象已经引起汽车驾驶员的强烈惊恐。当驾驶员必须突然变更行驶轨迹时,很可能有一辆车正处于用后视镜看不见的区域内。西门子开发了一套监控系统,消除了这个汽车死角。在汽车尾灯上(如图)分别安装一个红外线传感器,探索后面 The “dead end” phenomenon has caused intense scares from car drivers. When the driver must suddenly change the driving range, it is likely that a car is in the area not visible to the rear view mirror. Siemens developed a monitoring system that eliminates the car’s dead end. In the car taillight (pictured) were installed an infrared sensor to explore the back