模型由包括有一整套特征节点的树图组成，构成一类金字塔结构的广义语义网络。
The model is a graph including a set of feature nodes which forms a generalized semantic net with a pyramid-like structure.
模型由包括有一整套特征节点的树图组成，构成一类金字塔结构的广义语义网络。
The model is a graph including a set of feature nodes which forms a generalized semantic net with a pyramid-like structure. The feature resolution increases as the pyramid levels propagating down.
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