Question

利用多次垂直扫描来重显一幅完整图象的扫描技术。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。 lì yòng duō cì chuí zhí sǎo miáo lái zhòng xiǎn yī fú wán zhěng tú xiàng de sǎo miáo jì shù。 diàn shì zhòng shǐ yò2ng：1 de jiāo cuò shuài， jí měi zhèng fèn liǎng chǎng， chuí zhí sǎo miáo liǎng cì， yī chǎng sǎo miáo qí shù xìng， lìng yī chǎng sǎo miáo ǒu shuò xìng。

Accepted Answer

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.

Expression	利用多次垂直扫描来重显一幅完整图象的扫描技术。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。
Meaning	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.
Reading	lì yòng duō cì chuí zhí sǎo miáo lái zhòng xiǎn yī fú wán zhěng tú xiàng de sǎo miáo jì shù。 diàn shì zhòng shǐ yò2ng：1 de jiāo cuò shuài， jí měi zhèng fèn liǎng chǎng， chuí zhí sǎo miáo liǎng cì， yī chǎng sǎo miáo qí shù xìng， lìng yī chǎng sǎo miáo ǒu shuò xìng。

Sǎo Miáo Yī Vertical Field Scans Chuí Zhí