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1·Our first task is to set up a communications system.

我们的首项任务是架设通信系统。《牛津词典》

2·Our first task will be to set up a communications system.

我们的首项任务是架设通信系统。《牛津词典》

3·We need to upgrade our communications system.

我们需要改善我们的通讯系统。

4·It was equipped with a communications system and oxygen supply.

它还安装有通讯和供氧系统。

5·Nerve-center of the world's most complex communications system.

神经中心，世界上最复杂的通讯系统。

6·Communications system, communications apparatus, and communication method.

通信系统，通信设备，以及通信方法。

7·The proposed method has been applied to actual image communications system.

该技术已经应用于实际的图像通信系统中。

8·The link is through the Internet and the World Wide Web communications system.

它们通过互联网和万维网互相连接。

9·Northrop Grumman is also the systems integrator for the overall communications system.

诺斯罗普·格鲁曼公司也是整个通信系统的系统集成商。

10·The first appeared in 2001 in a Boeing-built satellite-based mobile communications system.

首个产品为2001年应用波音公司的星载移动通信系统中。原文。