[直角三角形的]斜边  Acquisition activation

2.有缢窄部的圆极形的  torose

3-流形的融合  an amalgamation of two 3-manifolds

412点西文活字菱形的  Diamond

CW复形的同调  homology of CW complex

CW复形的同伦群  homotopy group of CW complexes

Fe3+的形态分布  Fe3+ species distribution

H形的  h-shaped

Leibniz流形的结构矩阵  structure matrix

S形的  sigmoid; sigmoidal; sigmate

S形弯管鹅颈形通风管鹅颈钩吊杆的鹅颈鹅颈形的  gooseneck

S字形的  sigmoid

T形的  T-shaped

U形的  U-shaped

U字形的  U-shaped; hyoid

V形的  V-shaped

V字形的  ypsiloid; vee

X形的  Decussate; X type; x shaped

δ-铁素体的形态  morphology of δ-ferrite

桉树形的  eucalyptoides