【化】 dibasic salt; secondary salt
twin; two
【计】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【医】 bi-; bis-; di-; duo-
replace; substitute; permute; supersede; supersession; substituent; superlant
【化】 permutation; substitution
【医】 substitution
sal; salt
【医】 halo-; sal; salt