(area-)selective deposition
1 550 nm metropolitan area network
100-kilometer wind area
2-area 4-machine system
2nd phase of Xinghua port land area
3D seismic acquisition in complex area
3-D seismic exploration in lake area
485 Industrial Local Area Network
6 dB sound beam full wall thickness overlap area
921 earthquake disaster area
a country's surface area
a geographical area of command