Moholy-Nagy began working with light-sensitive technique, the photogram, in the early twenties.

人们可穿行在他构建出来的破碎空。（形真的很好。大家都爱。

By using this method, the segments for a photogram processed in later stage and the errors due to overmany links are reduced.

应这种法，大大减少惯的对照片进行后期处理的环节 ，及由于环节过多而引入的累积误差。