To produce(radioactivity,for example)artificially by bombardment of a substance with neutrons,gamma rays,and other particles.

 
  • 感生通過(guò)用中子流、r射線(xiàn)線(xiàn)和其它一些粒子流射向一個(gè)物質(zhì)而產(chǎn)生(例如,放射現象)
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