正比例 zhèngbǐlì
          
              zhèngbǐlì 
              
              noun 
              direct proportionality 
              Domain: Modern Chinese 现代汉语
              
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                , Concept:  
              
              
              
                Notes: (CC-CEDICT '正比例'; Guoyu '正比例'; Mathews 1931 '正比例', p. 43)