Dolphins have a very complicated communication system.

海豚有一套复杂的沟通系统。

Without his groundbreaking work, our modern communication systems would be inconceivable.

如果没有他的开创性工作，我们的现代通信系统将是不可想象的。

And talking to them on an underground, underwater radio communications system.

并借助于水下无线电通讯系统与他们联系。

But then, two communication systems stopped working within minutes of each other.

不过, 几分钟内两个通信系统停止工作。

Opportunity lasted until last June when it's communication systems also went down.

" 机遇号" 一直持续到去年6月，当时它的通信系统也出了故障。

You have your own oxygen system, your own power supply, your own communication system.

你带着自己的氧气系统，自己的电源，自己的通讯系统。

His detailed descriptions of space shuttles, supercomputers and rapid communications systems inspired millions of readers.

克拉克关于宇宙飞船、超级计算机和快速通讯系统的详细描述激发了无数读者的灵感。

There are also helipads, radar and communication systems, and supply ships on Fiery Cross Reef.

在永暑礁上有直升机场、雷达和通讯系统，以及供给船。

When Hurricane Maria hit Puerto Rico last September, it ravaged the island's electrical grid and communications systems.

去年9月，飓风玛利亚袭击波多黎各，摧毁了岛上的电网和通讯系统。

But we could very well be looking at one of the oldest graphic communication systems in the world.

但我们很可能看到的是世界上最古老的图形通信系统之一。