延遲時基掃描 delayed time-base sweep: 延遲時基掃描time-delayed pilot sweep: 時延控制掃描contracted time-base sweep: 收縮時基掃描expanded time-base sweep: 時基線展寬linear time base sweep: 雷達(dá)線時基掃描; 線性掃描下載手機詞典可隨時隨地查詞查翻譯