【化】 twice substituted
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
end; finish; know clearly; oversee; settle; understand