radium used for teletherapy; (also) teletherapy using radium.
| 单词 | θ68870 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > radium > [noun] > used as a radiation source in teletherapy (1) teleradium1930 radium used for teletherapy; (also) teletherapy using radium. |
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