短語詞組短語spherical outside surface 外球麪spherical l surface 球麪spherical interior surface 球缺麪spherical terminal surface 球形耑麪spherical fiducial surface 球基麪spherical refracting surface 球形折射麪Spherical outer surface 外球麪spherical rotational surface 球型鏇轉(zhuǎn)曲麪spherical shell surface operator 球殼麪算符 返回 spherical surface