Yán / jiū / rén / yuán / zhèng / zài / fēn / xī / mì / mǎ / zǐ / hé / fǎn / mì / mǎ / zǐ / de / pèi / duì / guān / xì研究人员正在分析密码子和反密码子的配对关系。Researchers are analyzing the pairing relationship between codons and anticodons.