n階可展曲面 developable surface: 可展開(kāi)面; 可展曲面algebraic developable surface: 代數(shù)可展曲面isotropic developable surface: 迷向可展曲面non developable ruled surface: 非可展直紋曲面; 非可展直紋曲線non-developable ruled surface: 非可展直紋曲線下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯