短语词组短語rooted planar map 一般平麪地圖edge -rooted plane map 繙譯;有邊根的平麪地圖英語;[測]有邊根的平麪地圖rooted nearly 2 -regular planar map 帶根近二正則平麪地圖rooted near -4-regular map 有根近 返回 root map