平面几何学 (平面幾何學) píngmiàn jǐhéxué
          
              píngmiàn jǐhéxué 
              
              noun 
              planar geometry 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain: Mathematics 
              
              
                , Concept:  
              
              
              
                Notes: (Guoyu '平面幾何學')