常見(jiàn)例句The results of the calculating examples show that this method is accurate when the curved surface is developable, and has high precision when the curved surface is undevelopable. 算例表明，本方法對(duì)可展曲麪的展平是精確的，對(duì)不可展曲麪的展平精度很高。An Extremum Developing Method for an Undevelopable Surface and Its Application to Axial Fan Blades 不可展曲麪的極值展開(kāi)法及其在軸流通風(fēng)機(jī)葉片中的應(yīng)用Undevelopable ruled surface 不可展直紋麪 返回 undevelopable