利用多次垂直掃描來重顯一幅完整圖象的掃描技術。電視中使用2：1的交錯率，即每幀分兩場，垂直掃描兩次，一場掃描奇數行，另一場掃描偶數行。
In scanning, the technique of using more than one vertical scan to reproduce a complete image. In television, 2:1 interlace is used, giving two vertical scans(fields) per frame; one field scans odd lines, and one field scans the even lines of the frame.
在IBM的令牌環型網絡中，一幀信息在向目的地傳送路徑上所通過的橋接器個數。
In the IBM Token-Ring Network, the number of bridges through which a frame passes on the way to its destination.
那幀照片完全不像他。
The picture is quite unlike him.
幀電視傳送的一個完整圖象全部的面積
The total area of a complete picture in television broadcasting.
