为什么摄像头要用圆拱形罩

内部有个云台，摄像头在里面能旋转，仰角能变化，其轮廓总的轨迹就是圆拱形。
The next generation keyboard, future keyboard!
It challenged and subverted the global computer keyboard, keyboard music instruments 25 years ago，
The pioneer of the Chinese people (firstly) originally entered this area. who sent it into the modern house of the CEO of Microsoft?
To challenge AT&T of the United States by improving communication deficiencies
Improving communication deficiencies, Chinese people are to challenge AT&T of the United States.

因为摄像头是玻璃制品，所以放在圆拱形罩里起到保护的作用。

1.保护摄像头2.给歹人心理压力

因为那个不能只看一个方向呀，。

那我问你为什么人的眼睛是圆的呢？