这是人为产生的噪音,为了让行人能听见

来源: 2021-06-13 09:29:40 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

电动汽车在低速时会人为产生噪音,为了让行人能听见,否则太安静,容易被行人忽视。

为了安全。

 

Electric vehicle warning sounds.

Electric vehicle warning sounds are sounds designed to alert pedestrians to the presence of electric drive vehicles such as hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVs), and all-electric vehicles (EVs) travelling at low speeds.