If nuclear war occurs, non-belligerents want the conductors to take responsibility for providing assistance to deal with harm imposed on them.This harm could take the form of radioactive fallout, climatic change that causes global food shortages and refugee crises.But states and Sun Hats experts preoccupied with winning (or at least not losing) war

Spatial crowdsourcing is an effective and novel method.In crowdsourcing systems, a centralized platform is traditionally used to allocate tasks and select workers.Centralized platforms always face following challenges: 1) How to ensure the rationality Shams of tasks allocating; 2) How to ensure the payments of workers in the system when dishonest r

In order to select a reasonable controlling mode of rocky desertification and restrain the development of rocky desertification with local conditions, the soil moisture in Karst area was studied by using full-polarization Synthetic Aperture Radar (SAR) data in this paper.Based on the decisive role of rocky desertification degree, vegetation, slope