环面 (環面) huánmiàn
          
              huánmiàn 
              
              noun 
              ring surface; annulus; torus 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain: Mathematics 
              
              
              
              
                Notes: (CC-CEDICT '環面')
              
               
          
          
Word is mentioned most frequently in
Truncated for common words
- 卷四十八 志第一: 天文一 Volume 48 Treatises 1: Astronomy 1 History of Yuan 元史 — count: 3