基于三维T样条的异质材料实体建模与切片
李斌,傅建中

Solid modeling and slicing process of heterogeneous materials based on trivariate T-splines
Bin LI,Jian-zhong FU
图 12 股骨上端模型的等材料面提取结果
Fig.12 Results of extracting iso-material surfaces from upper extremity of femur