这些高频声音传播得没有那么远，因此可能更好地隐藏了发出这些声音的个体，它们在自己的地面巢穴中特别容易受到捕食者的攻击。
These higher-frequency sounds do not travel as far, and so may better conceal the individuals producing them, who are especially vulnerable to predators in their ground nests.
本文对在JPEG文件中的高频区隐藏信息的算法进行了介绍分析。
In this article, we introduced the data hiding algorithm in the high frequency region of JPEG files.
简要分析了一般文本信息隐藏的方法，提出了一种利用汉语中的高频虚词来进行信息隐藏的思想。
Through analyzing the existing methods of text steganography briefly, a new scheme using the high-frequency empty words in Chinese to hide information is proposed.
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