大家乘車的時候都希望有個安靜的乘車環境，這樣情緒就會好很多，但是車內真是越安靜越好嗎？汽車沒有任何噪聲真的好嗎？下面來分析分析。
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.
我們知道，汽車的動力源于發動機，并傳遞到車輪上，輪胎克服路面摩擦從而推動汽車前進。所以，一輛汽車的振動來源就有很多。
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.
不僅有發動機、變速箱等運轉產生的振動，也有輪胎與路面摩擦、經過坑洼路面時產生的振動，而這些振動都將產生噪音。此外，還有風噪、零部件之間的碰撞、空調出風口、電路的電流聲等，都是一輛車的噪音來源。
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.
濟南沃爾沃汽車專修人員認為，駕駛員所需要的很多反饋都來源于噪音和振動。在開車的過程中，駕駛員需要收集各種路況反饋信息，這些信息的主要形式無外乎聲音，振動，視覺信息三類。
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.
而徹底消音就意味著駕駛員聽不到其他車的鳴笛聲、發動機或變速箱產生的異響聲、輪胎虧氣造成的摩擦聲、輪胎與地面接觸產生的沖擊聲。而路面振動又會通過轉向系統回饋到駕駛員的手上，駕駛員除了會感受到這些振動，它們產生的聲波也會傳遞到駕駛員的耳朵里。
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.
同時，路感對駕駛員也很重要。假如振動徹底被抑制，方向盤沒有把路面信息反饋給駕駛員，汽車的駕駛品質也就無從談起了。當然還是要盡可能的消除車內噪音，使車內環境變得越來越安靜的確可以給人帶來舒適的駕乘環境，而如果車子變得極度安靜，同樣會產生一系列的問題。
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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