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Beijing 1” is one Micro-satellite of the international Disaster Monitoring Constellation (DMC). It was launched successfully in 2005, and has high-powered characteristic, such as high gaining data ab...
The Advanced Spaceborne Thermal Emission and Reflection radiometer (ASTER) is an advanced multispectral imager that was launched on board the Terra spacecraft in December 1999. ASTER covers a wide spe...
There has been a public recognition among urban planners that greenbelt hold enormous potential for limiting city expansion and improving city ecological conditions. As one mega city all over the worl...

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