摘要
从直升机机降时的实际情况出发 ,研究了直升机对机降场地地形的需求 ;
According to the landing of helicopter this disquisition on helicopter's requirement put forward some technique to make use of digital map to select skyway and landing terrain.
出处
《测绘学院学报》
北大核心
2001年第B09期81-83,共3页
Journal of Institute of Surveying and Mapping
