英文:The top branches of the two trees interlace with one another.
中文:这两棵树的树顶树枝相互交织在一起。
英文: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.
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