字典網>> 英漢字典>> P開頭詞條>>picture-signal polarity的意思 漢英字典picture-signal polarity中文翻譯：【電】 傳像訊號極性字典網英文字典相關詞條：picture format picture tone picture-tube brightener picture-tube brigh-tener picture picture i-f circuit picture-signal amplitude picture current picture signal picture channel