三角剪切模型  Trishear model; tri-shear model

切角三角翼  cropped delta wing

三角三角结线  delta-delta connection

[直角三角形的]斜边  Acquisition activation

等角三角形  equiangular triangle; equiangular triange

等角三角形命题  equiangular triangleproposition

等腰直角三角形  right angle isosceles; isosceles right triangle

等腰直角三角形波导  isosceles-right triangular waveguide

等腰直角三角形网  right-triangle irregular network

对角三角形  diagonal triangle

钝角三角形  obtuse triangle; amblygon; obture triangle

截切三角岬  truncated cuspate foreland

平面直角三角形计算工具  trigonometer

球面直角三角形  Right triangle of sphere; spherical tight triangle

锐角三角  acute-angled triangle

锐角三角形  oxygon; acute triangle; acute angled triangle; acute-angle triangle

三角剪接口  cutting aperture

三角角亏  defect of a triangle

三角角盈  excess of a triangle