A detailed explanation of perspective is beyond the scope of this book , but it 's the culmination of several ideas like overlapping planes , foreshortening , and decreasing the scale of more distant objects .

关于透视法的详细解释，这已经超出了本书的范围，不过，可将其视作重叠面、透视收缩及缩小远端物体比例之类创意的集大成者。

Extreme foreshortening , shooting on the diagonal , straight down from a considerable height or straight up from the ground-all these are known to this day as " rodchenko angles " .

极短的前景，对角线成像，从治高处向下取景，或是从低处向上取景，这些至今都被称作“罗申科视角”。