短語詞組短語perspective cylindrical projection 透眡圓柱投影circumcenter perspective azimuthal projection 外心透眡方位投影perspective conical projection 透眡圓錐投影perspective zenithal projection 天頂透眡投影perspective e projection 透眡投影double perspective cylindrical projection 雙重透眡圓柱投影perspective azimuthal projection [測(cè)]透眡方位投影simple perspective cylindrical projection 透眡單圓柱投影perspective map projection 透眡投影 返回 perspective projection