Viewers can see the stadium from the air, courtesy of a camera fastened to the plane.
由于飞机上安装有摄像机，电视观众可从空中鸟瞰体育场。
《牛津词典》
2
An infrared camera watches for spots where a finger (or similarly sized object) breaks the plane and scatters the light.
红外照相机聚焦的是一根手指(或者相似大小的物体)破坏水平面、散射光线的点。
3
This can be a tedious process because the first time you create the plane, you have to rotate the camera and change the focal length at the same time to get a good match.