Oasis is one of the three systems, mountains, desert and oasis in arid region. It is a special geographiclandscape.
绿洲是干旱区山地、荒漠和绿洲这三大系统之一，是干旱区特有的地理景观。
2
Trying to recover the geographiclandscape of Luoyang Basin in Erlitou age, combined with the distribution of settlement situation, examine the natural factors behind the settlement distribution.
力图复原二里头时代洛阳盆地的地理景观，结合聚落的分布态势，考察聚落分布背后的自然因素。
3
Using Geographic Information System(GIS), the change of landscape pattern in Zhangjiajie National Forest Park during 1990—2000 was studied.