heterodyning的翻译，读音
英/'hetәrәu,dainiŋ/
释义：
[电] 外差
v combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two
v combine (a radio frequency wave) with a locally generated wave of a different frequency so as to produce a new frequency equal to the sum or the difference between the two