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1. Oxford American Dictionary

   Fessenden, Reginald Aubrey

   • IPA[ˈfesəndən]

   美式

   • ph.
     (1866–1932), Canadian-born US pioneer of radiotelephony. He invented the heterodyne receiver.
2. • 更多解釋

   Fessenden, Reginald Aubrey

   • IPA[ˈfɛs(ə)nd(ə)n]

   英式

   • ph.
     (1866–1932), Canadian-born US pioneer of radio-telephony. He invented the heterodyne receiver.

   Oxford Dictionary