The stand spatial model and pattern based on voronoi diagram Visual Simulation of Individual Tree Information Estimation Based on Stand Characteristics Relationship between Spatial Structure and Biomass of a Close-to-Nature Phyllostachys edulis Stand in Tianmu Mountain Comparative Analyses on Different Mingling Indices Mingling of Evergreen BroadLeaved Forests in Tianmu Mountain Based on Voronoi Diagram Quantitative Analysis of Forest Stand Spatial Structure Based on Voronoi Diagram & Delaunay Triangulated Network Stand Spatial Structure of Cunninghamia lanceolata Recreational Forest Based on Voronoi Diagram and Delaunay Triangulated Network Intraspecific and Interspecific competition analysis of community dominant plant populations based on Voronoi diagram