The article analyses the mechanism and affected range of surface settlement around by excavation perviousness, and discusses the affecting factors and the measures to control it.

The Ground Soldier Ensemble will feature built-in equipment that allows Army team leaders to quickly access critical information about each other and their surroundings during a mission.

And atmospheric water vapor distribution and change are studied synthetically based on GPS, radiosonde and other ground weather observations data over Tibet Plateau and around area.