每行从左到右扫描，每帧按隔行从上到下分奇数行、偶数行两场扫完，用以减少闪烁感觉。
Each row from the left to the right of each frame according to the interlaced scanning, from top to bottom odd lines, even two sweeping, used to reduce flicker sensation.
凹形圆弧偶端电极场是由偶数（2N）个对称地放置在方位角方向上、并具有一定电位的同样的凹形圆弧电极所产生的电场。
The 2N-pole fields are generated by 2N identical, symmetrically-arranged in azimuthal direction electrodes of circular concave form, whose potentials are Vo and -Vo alternately.
电视中使用2：1的交错率，即每帧分两场，垂直扫描两次，一场扫描奇数行，另一场扫描偶数行。
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.
电视中使用2：1的交错率，即每帧分两场，垂直扫描两次，一场扫描奇数行，另一场扫描偶数行。
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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