The difference between a police car and an ambulance is that the siren sound is different, the service content is different, the appearance is different, the cost of use is different, and the priority level is different.
1, the siren sound is different
Ambulance siren sound is a high pitch for a second, flat tone for a second, interval of one second, the cycle repeats, the frequency of flat tone short, smooth, the main purpose is to let the road pedestrians car make way. Police car siren sound: very sharp, no interval, accented short, high frequency, the purpose is to make criminals scared.
2, different services
Police car is a specialized law enforcement and emergency vehicles, usually equipped with police lights, sirens, radios and other equipment, used to maintain public order and respond to emergencies. Ambulance is a specialized vehicle for emergency medical rescue, usually equipped with first aid equipment, medical equipment and other equipment, used to send patients to the hospital in time to receive treatment.
3, the appearance of different
Ambulance appearance is white bread, blue police lights, logo red cross with tracing; police car models vary, white with blue pattern, red and blue police lights, logo shield.
4, the use of different costs
When we encounter an emergency, we can dial 110 to call the police, or dial 119 to request fire rescue. These services are free of charge, while 120 ambulance has a paid fee.
5, the priority level is different
Police cars and ambulances between the two priority level is not the same, from the point of view of life first, the purpose of the ambulance is undoubtedly to save lives, of course the ambulance is a higher priority, if you encounter emergencies, it is certainly the first to pass before the police car.
Reference: Baidu Encyclopedia - Police Vehicles