重叠: one on top of another; overl ...树: tree形: form; shape结构: structure; composition; cons ...树形结构: tree structure; tree-like structure分层树形结构: hierarchical tree-structure分类树形结构: sort tree struction; sort tree structure; sorting tree structure覆盖树形结构: overlay tree structure三层树形结构: tree height of three树形结构计算: tree height computation树形结构系统: tree-structured system重叠树: overlay tree树形结构简化算法: tree height reduction algorithm细胞树形结构计算机: cellular tree-structured computer树形重叠: overlay trees形结构: sigmoid configuration半圆形结构: semicircular structure半自形结构: hypautomorphic structure; hypidiomorphic texture; hypidiomorphictexture保形结构: conformal structure扁桃形结构: to illa; tonsilla变形结构: deformation structure槽形结构: bathtub construction叉形结构: fork configuration; fork structure敞形结构: open structure单星形结构: single star structure