Yahoo奇摩字典 網頁搜尋

搜尋結果

1. Oxford American Dictionary

   preamplifier

   • IPA[ˌprēˈampləˌfīər]

   美式

   • n.
     an electronic device that amplifies a very weak signal, for example from a microphone or pickup, and transmits it to a main amplifier.

   • noun: preamplifier, plural noun: preamplifiers

2. • 更多解釋

   preamplifier

   • IPA[priːˈamplɪfʌɪə]

   英式

   • n.
     an electronic device that amplifies a very weak signal, for example from a microphone or ...

   Oxford Dictionary