Hidden computer viruses and computer viruses polymorphism is more difficult to detect.

隐性计算机病毒和多态性计算机病毒更使人难以检测。

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I mean, you can see that it can get a bit cluttered because maybe those features that are hidden behind, or maybe we have trouble seeing if we don't have a computer, that looks very readable.

你也可以得到一些很杂乱的图像，因为那些特征被隐藏在后面，或者我们没有很好可视化电脑，而看不到清晰的图像，图像是很直观的。

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A catalog name is the name associated with a hidden directory on the local computer.

目录名称是与本地计算机上隐藏目录相关联的名称。

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It's really a technology initiative that's aimed to index the "dark" web or the hidden web, because according to computer scientists, right now the conditional search engines only index about 1% of the information on the Internet.

这是一项,致力于将暗网,或隐藏网页纳入索引的技术创新，根据计算机科学家的统计，条件式的搜索引擎只将,互联网上1%的信息纳入了索引。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

It also makes it easier to find the files that have been created, accessed and modified during an attack, and it is able to reconstruct deleted files from raw data found in various hidden parts of a computer's hard disk, such as unallocated space and file slack.

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When the thrill of being unplugged outweighs the danger of losing essential data, there are a number of technologies that make it easier to back up those files, keep them hidden and even track down the missing computer itself.

CNN: Mobile PCs can be risky on the road

Many observers have suggested defensive techniques that deploy TrueCrypt disk encryption with hidden volume partitions or PGP Whole Disk Encryption rendering the entire computer unbootable thereby making even file time and date stamps unavailable.

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