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Temporal-Spatial Dynamic Characteristic of Vegetation in the Area of Continued Hydropower Station Construction in the Upper Reach of the Yellow River
Temporal-Spatial Dynamic Eco-environmental Impact Hydropower Development Yellow River
2015/12/11
The hydropower station construction produced serious impacts on the regional eco-environment. The most obvious characteristics of the impacts caused by the cascade hydroelectric development are progre...
Geometric reasoning in 3D building models using multivariate polynomials and characteristic sets
geometric reasoning constraints theorem proving Wu’s method multivariate polynomials 3D building models
2016/4/11
In order to generate complex virtual cities, models of buildings have to be defined in advance. A common approach describes individual components of these buildings, which are in turn restricted by ge...