In this paper a laser triangulation scanning method for the non-contact measurement of scratches on aircraft skins and aircraft window surfaces is described.

介绍飞机表面划痕非接触测量的激光三角扫描法。

youdao

The president spent 35 minutes looking out the window as the aircraft passed over Louisiana and Mississippi and saw the damaged roof of the New Orleans Superdome and the city's flooded neighborhoods.

CNN: Bush tells victims: 'A lot of help coming'

Schlechter remembers a problem aboard his aircraft in 2004 when a passenger looking out a window spotted a minor fuel leak near the wing.

CNN: Why Dreamliner batteries worry experts

The cracked window and the leaky generator were not unusual issues, ANA said, and occur with other aircraft as well.

CNN: Dreamliner safety review: What it means for fliers