This standard adds a data integrity field (DIF) to each sector to maintain data protection on the medium.
这个标准为每扇区都增加了一个数据完整性字段(DIF)以保护介质上的数据。
With the rapid growth of Internet technologies and extensive use of multimedia data, digital watermark has become a popular topic in the field of digital copyright protection.
随着数字网络通讯的飞速发展以及数字多媒体的广泛应用，数字水印技术己经成为数字版权保护领域研究的一个热点问题。
With the rapid growth of Internet technologies and extensive use of multimedia data, digital watermark has become a popular topic in the field of digital copyright protection.
随着数字网络通讯的飞速发展以及数字多媒体的广泛应用，数字水印技术己经成为数字版权保护领域研究的一个热点问题。
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