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