GPS是以接收卫星传递的信息进行现地定位和导航等技术的系统。它不受时间和空间的限制,定位、导航方便,准确、快捷。具有全天候、高精度、高效率的显著特点。在林业工作中应用非常广泛,特别是退耕还林工程及“三北四期”工程的全面开展,GPS的应用更加广泛。结合实际工作,谈一下 GPS is to receive the information transmitted by the satellites to local positioning and navigation systems and other technologies. It is not subject to time and space constraints, positioning, navigation convenient, accurate and fast. With all-weather, high-precision, high efficiency of the salient features. In the forestry work is widely used, especially the project of returning farmland to forest and the “Three North Four” project in full swing, GPS is more widely used. With the actual work, talk about