【化】 secondary calcium phosphate
twin; two
【计】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【医】 bi-; bis-; di-; duo-
era; generation; take the place of
【电】 generation
【化】 calcium orthophosphate; phosphate of lime
【医】 calcium phosphate