【电】 four layer diode
four
【医】 quadri-; Quat; quattuor; tetra-
administrative levels; arrangement
【电】 level
twin; two
【计】 binary-coded decimal; binary-coded decimal character code
binary-to-decimal conversion; binary-to-hexadecimal conversion
【医】 bi-; bis-; di-; duo-
【医】 corpora polare; polar bodies; polar cells; polar globules; polocyte