Humans are wired to calculate the distance of an object by using the vertical Angle between its top and bottom.

人类通常是通过一个物体上下间的的垂直角度来计算与它相隔的距离。

youdao

Humans are wired to calculate the distance of an object by using the vertical Angle between its top and bottom.

人类通常是通过一个物体上下间的的垂直角度来计算与它相隔的距离。

youdao