UAV (Unmanned Aerial Vehicle) equipment is novel because Gloves of its remote automatic control characteristics, so navigation technology is particularly critical.It is necessary to study and apply UAV technology.This paper first analyzes the UAV navigation technology, then the different types of UAV navigation system, and finally looks forward to
The fall armyworm Spodoptera frugiperda is an economically important pest of small grain crops that occurs in all maize growing regions of the Americas.The intensive use of chemical pesticides for its control has led to the selection of resistant populations, however, to date, the molecular mechanisms underlying resistance have not been characteris
In this article, I discuss teacher education reform and the work of teachers in light of globalization and reflexive modernization.Increasing globalization has meant changed conditions for national education traditionally geared toward nation building and to the nationalizing of lifeworlds.It is assumed that the global economy has made knowledge an