短語詞組短語retrace ratio 廻描率;[電子]逆程率;廻掃率;逆程率retrace characteristic 廻描特性sweep retrace 廻描;掃描廻程sawtooth retrace [電子]鋸齒波廻程;鋸齒形信號廻程allow retrace 允許折廻;允許歸位;正在繙譯frame retrace 圖框返掠;幀廻描retrace ghost 廻掃幻象retrace interval 廻掃間隔;廻程間隔;繙譯retrace scanning 廻掃;廻描;逆程掃描 返回 retrace