Many of the entries listed in our index of topical pages are scientific acronyms or terms, for example gene sequences or chemical formulas.
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         junction diodes (结型二极管)
         junction transistors (结型晶体管)
         junctions (接点)
         junipers (桧属植物)
         juniperus (桧属)
         jurassic period (侏罗纪)