单词	pair production
释义	pair production noun : the transformation of a quantum of radiant energy simultaneously into an electron and a positron when the quantum interacts with the intense electric field near a nucleus Word History First Known Use 1934, in the meaning defined above
随便看	sukurs sukus suky sul sul ponticello sul tasto sul- Sula sulae sulaimani sulaimania sulamydes sulamyds sulas Sulawesi sulawesies sulawesis sulaymaniya Sulaymaniyah sulcalise sulcalised sulcalises sulcalising sulcalized sulcalizes

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