短語詞組短語Scanning g frequency 掃描頻率scanning line frequency [電子]掃描線頻率;掃描行頻;掃描線頻;行速frequency -scanning meter sweeper 頻率掃描儀Horizontal Scanning Frequency 行頻;[電子]水平掃描頻率;水平掃描;橫曏掃描頻率Line Scanning Frequency 行掃描頻率fundamental formula scanning frequency 基本掃描頻率scanning frequency signals 掃頻信號(hào)scanning frequency measurement 搜索測(cè)頻法 返回 scanning frequency