Переклад англійською з японської: 二元的
Словник: main二元的形容詞1 bivalent, 
 double, 
 doubled, 
 dual, 
 duple, 
 forked, 
 three-fold, 
 threefold, 
 treble, 
 two-fold, 
 twofold. 
 2 double, 
 dual, 
 soprano, 
 ternary, 
 three-fold, 
 threefold, 
 treble, 
 triple, 
 triplex, 
 two-fold, 
 twofold.