| 单词 | 超外差式 |
| 释义 | 〔superheterodyne〕A superheterodyne radio receiver.超外差式收音机〔superheterodyne〕Of, relating to, or being a form of radio reception in which the frequency of an incoming radio signal is mixed with a locally generated signal and converted to an intermediate frequency in order to facilitate amplification and the rejection of unwanted signals.超外差式的：属于、关于或者是无线电接收的一种方式的，接收的无线电信号和当地发射的无线电信号的频率相混合，变成一种折衷的频率，目的在于放大或排除不要的信号 |
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