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1. Oxford American Dictionary

   Rf

   • symbol
     the chemical element rutherfordium.
2. • 相關詞

   rf.

   • abbr
     right fielder.

   Oxford American Dictionary

3. • 更多解釋

   RF

   • abbr
     radio frequency.

   Oxford Dictionary

   RF

   • abbr
     radio frequency.

   Oxford American Dictionary

   Rf

   • symbol
     the chemical element rutherfordium.

   Oxford Dictionary