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1. Oxford American Dictionary

   high frequency

   • IPA[ˌhī ˈfrēkwənsē]

   美式

   • n.
     (in radio) a frequency of 3–30 megahertz

   • noun: high frequency, plural noun: high frequencies

2. • 釋義

   n.

   名詞

   • 1. (in radio) a frequency of 3–30 megahertz high-frequency words high-frequency hearing loss