【化】 secondary dispersion
twin; two
【计】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【医】 bi-; bis-; di-; duo-
order; second; second-rate
【医】 deutero-; deuto-; hyp-; hypo-; meta-; sub-
【化】 dispersion