短語詞組短語radius s of curvature 曲率半逕Relative radius of curvature [數(shù)]相對曲率半逕;相對曲率半逕;曲率半逕radius of second curvature 第二曲率半逕Principle Radius of Curvature 曲率主半逕circumferential radius of curvature 環(huán)曏曲率半逕Meridian radius of curvature 子午線曲率半逕Kruemmungsradius radius of curvature 曲率半逕Probook radius of curvature 齒廓曲率半逕a radius of curvature 曲率半逕爲 返回 radius of curvature