大家乘车的时候都希望有个安静的乘车环境，这样情绪就会好很多，但是车内真是越安静越好吗？汽车没有任何噪声真的好吗？下面来分析分析。
When we ride, we hope to have a quiet ride environment, so that the mood will be a lot better, but the car is really the quieter the better? Is a car really good without any noise? Let's analyze it.
我们知道，汽车的动力源于发动机，并传递到车轮上，轮胎克服路面摩擦从而推动汽车前进。所以，一辆汽车的振动来源就有很多。
We know that the power of a car comes from the engine and is transferred to the wheels, and the tires overcome the friction of the road to propel the car forward. So, there are many sources of vibration in a car.
不仅有发动机、变速箱等运转产生的振动，也有轮胎与路面摩擦、经过坑洼路面时产生的振动，而这些振动都将产生噪音。此外，还有风噪、零部件之间的碰撞、空调出风口、电路的电流声等，都是一辆车的噪音来源。
Not only the vibration caused by the engine and gearbox operation, but also the vibration caused by the friction of tires on the road and potholes on the road, and these vibrations will produce noise. In addition, there are wind noise, collisions between parts, air conditioning outlets, circuit current sound, etc., are the noise sources of a car.
济南沃尔沃汽车专修人员认为，驾驶员所需要的很多反馈都来源于噪音和振动。在开车的过程中，驾驶员需要收集各种路况反馈信息，这些信息的主要形式无外乎声音，振动，视觉信息三类。
Jinan Volvo car specialist believes that a lot of the feedback drivers need comes from noise and vibration. In the process of driving, drivers need to collect all kinds of road condition feedback information, which is mainly in the form of sound, vibration and visual information.
而彻底消音就意味着驾驶员听不到其他车的鸣笛声、发动机或变速箱产生的异响声、轮胎亏气造成的摩擦声、轮胎与地面接触产生的冲击声。而路面振动又会通过转向系统回馈到驾驶员的手上，驾驶员除了会感受到这些振动，它们产生的声波也会传递到驾驶员的耳朵里。
Complete silencing means that the driver cannot hear other cars' horns, abnormal sounds from the engine or gearbox, frictions caused by tire air depletion, and impacts caused by tire contact with the ground. The road vibrations are fed back to the driver's hands through the steering system, and in addition to being felt by the driver, the sound waves they generate are also transmitted to the driver's ears.
同时，路感对驾驶员也很重要。假如振动彻底被抑制，方向盘没有把路面信息反馈给驾驶员，汽车的驾驶品质也就无从谈起了。当然还是要尽可能的消除车内噪音，使车内环境变得越来越安静的确可以给人带来舒适的驾乘环境，而如果车子变得极度安静，同样会产生一系列的问题。
Road sense is also important for drivers. If vibrations are completely suppressed and the steering wheel does not feed back road information to the driver, the driving quality of the car is out of the question. Of course, we should eliminate the noise in the car as far as possible, so that the car environment becomes more and more quiet can indeed bring people a comfortable driving environment, and if the car becomes extremely quiet, it will also produce a series of problems.
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