掃描頻率外差式分析器sweep: vt. (swept ) 1.掃(房間等),掃除,打掃; ...frequency: n. 1.屢次,頻仍,頻繁。 2.(脈搏等的)次數(shù),出現(xiàn) ...frequency analyser: 頻率分析儀frequency sweep: 掃頻frequency-sweep: 掃頻,頻率掃描下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯