局部三角棱柱面法
local triangular prism method
三棱柱法
Means of triangular prisms
标准三角法积分
Standard trigonometric integral
等角三角形命题
equiangular triangleproposition
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
方法三角交叉法
methodological triangulation
非平行似三棱柱
unparallel analogical triangular prisms
复二复三角柱
ditrigonal prism of the second order