在林业地区、林场与伐区之间相距几公里,在采伐作业时,林场要同几个伐区之间保持通讯联系,由于伐区的地点随着采伐量的需要经常变动,这样在林场与伐区之间使用有线电话联系很不方便,架设电杆,电线费用也很大。为了解决林业地区的林场与伐区之间的通讯联系,满足林 In the forestry area, the distance between the forest farm and the cutting area is several kilometers. During the harvesting operation, the forest farm should maintain communication with several cutting areas. Since the location of the cutting area changes frequently with the need of harvesting, The use of landline telephone connection between the very inconvenient, erection of poles, wire costs are also great. In order to solve the forestry area forestry and cutting areas of communication between, meet Lin