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1·It began as a military communication system, which expanded into a government-funded civilian research network.

最初它是一个军事通信系统，后来扩展为一个政府资助的民用研究网络。

2·Human language is productive, an open-ended communication system, whereas no other communication system has this property.

人类的语言是多产的，是一个开放的交流系统，而其他交流系统都没有这种特性。

3·A warming climate could lead to a more fragrant world, but it might disturb an intricate communication system used by plants.

气候变暖可能会导致一个更芳香的世界，但它可能会扰乱植物使用的复杂的通讯系统。

4·There're several features peculiar to human language that have, for the most part, never been found in the communication system of any other species.

人类语言中有几个独特的特征，且在很大程度上是其他物种的交流系统中从未发现的。

5·Today's globally networked media and communication system has its origins in the 19th century, when, for the first time, messages were sent electronically across great distances.

现代的全球网络媒体和通信系统起源于19世纪，当时信息第一次以电子方式远距离传送。

6·Fluid Voice: a Mobile Group Communication system.

流动语音(Fluid Voice)：一个移动群组通信系统。

7·There theyinstalled a powerful communication system.

他们在那儿安装了强大的通信系统。

8·There are five basic types of data communication system

有五种基本的数据通信系统

9·Receiver is a key part of radio communication system.

接收机是无线电通信系统的主要组成部分。

10·Roaming is an important function of mobile communication system.

漫游是移动通信系统的一个重要的功能。