Hauv RF systems, cov khoom siv nquag thiab tsis siv neeg feem ntau siv, yog li dab tsi yog cov khoom siv nquag, dab tsi yog cov khoom siv passive, thiab dab tsi yog qhov txawv ntawm lawv?(i) Txhais: Ib qho khoom siv ua haujlwm yuav tsum tau ua haujlwm nrog lub hwj chim hauv nws.Ib qho passive feem ua haujlwm ...
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