The system is composed by information technologies and communication equipment including audio, video and print systems, integrated for military purposes.
该系统包括信息技术和通讯设备，如音频、视频和印刷系统、综合军事系统等。
To hide information in speech signal, which is a special kind of audio signals, one must consider the characteristics of human audio system.
语音信号作为一种特殊的信息隐藏载体，在其中进行信息隐藏时必须充分考虑人类的听觉特性。
Is designing an audio navigational information system.
设计一个音频导航信息系统。
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