auxiliary line of sight

例句：

1. 1. The camera's auxiliary line of sight is perfect for capturing distant subjects.
   相机的辅助视线非常适合捕捉远处的主体。
2. 2. The engineer used the auxiliary line of sight to measure the angle of the roof.
   工程师使用辅助视线来测量屋顶的角度。
3. 3. In aerial photography, the auxiliary line of sight is crucial for achieving sharp images.
   在航空摄影中，辅助视线对于获得清晰的图像至关重要。