短語詞組短語bounding -surface hierarchy 等級界麪bounding erosion surface 邊界侵蝕麪bounding g erosion surface 邊界侵蝕麪Bounding Surface Plasticity Model 邊界麪塑性模型hierarchical bounding surface 層次界麪bounding surface plasticity 邊界麪塑性理論bounding surface theory 界限麪理論diffuse bounding surface 漫射的邊界表麪 返回 bounding surface