城市噪声主要来源之一是各种机动车辆行驶噪声及其喇叭噪声。由于我国城市街道拥挤,车辆(包括自行车等)和行人数量增多以及司机没有正确使用喇叭,故其鸣响次数相当多。造成喇叭声连成一片、喇叭声成 One of the main sources of urban noise is the noise of motor vehicles and their horn noise. Due to crowded urban streets, vehicles (including bicycles, etc.) and pedestrians, and drivers who do not use their speakers correctly, the number of beeps is quite high. Horn into one piece, horn sound into