常見(jiàn)例句雙語(yǔ)例句The IF and its associated sidebands are up-converted to the microwave region by the mixer, microwave oscillator, and bandpass filter.中頻載波和它的邊帶由混頻器，微波振蕩器，帶通濾 波器上變頻到微波范圍。 返回 if bandpass filter