皋兰 meaning in English

gaolan

Landslides and debris fl o ws grow well in the northern slope of mount gaolan in lanzhou city , because the environmental factors for landslides and debris flows are a dvantageous in this area . these factors include stratum and rock characteristics , to pography and landforms , and the geological structure . to bring landslides and deb ris flows into control in this region is an important problem facing the develop ment of this c ity
皋兰山北坡滑坡、泥石流发育，具有滑坡、泥石流产生的优势内部环境条件，包括地层岩性条件、地形地貌条件和地质构造.对该区滑坡泥石流进行综合治理是城市发展面临的重要问题