Photography can be a straight forward process, point and click, with no contact, the method of scanning works in a completely different way.
摄影可以是一个纯粹的过程，只要按下快门而无须任何接触，但扫瞄则是一种全然不同的方式。
2
In addition to the scientific sessions, five companies presented their products and services (laser scanning and digital aerial photography) in an exhibition.
除了学术会议，5家公司提出了他们的产品和服务(激光扫描和数字航空摄影)在一个展览。
3
Aerial photography and photogrammetry, airborne and terrestrial laser scanning, mobile mapping system and GPS positioning contrihuted to the great increase of accuracy and speed of data acquisition.