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后置雷达如同身后“眼睛”在马路或大街上骑自行车,不可能没有风险。当骑车者思想不集中,或者遇上强风的呼啸声影响听力时,便难以注意到身后的汽车正在向自己靠近。车上安装的后视镜或后视摄像头等设备虽然有助于发现异常情况,但是一边骑车一边察看终究还是不安全,而且这些设备还需要经常检查。以澳大利亚为例,最新统计显示2013年共有1193人死于道路交通事故,比上一年下降8%,但是骑自行车者发
Rear radar is like behind the “eyes” riding a bike in the street or the street, there can be no risk. When the rider’s mind is not concentrated, or when the whistling of strong winds affects hearing, it is hard to notice the car behind him is approaching. Car-mounted rearview mirrors or rearview cameras, while helping to detect abnormalities, may not always be safe to watch while cycling, and the devices are subject to frequent inspections. Take Australia as an example. According to the latest statistics, a total of 1,193 people died of road traffic accidents in 2013, a decrease of 8% over the previous year. However, cyclists