人们曾经认为，随着人们不再被迫进入城市，电信的发展将导致人口的进一步分散。

It was once assumed that improvements in telecommunications would lead to more dispersal in the population as people were no longer forced into cities.

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电信的发展使越来越多的人获得了科学知识，这将有助于他们国家的发展，或是获得能够战胜疾病的医学知识。

The growth in telecommunications is giving more and more people access to the science that will help their country to develop or to acquire the medical knowledge that can fight disease.

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他说英国电信的主要目的是保证将来的能源供应。

He says BT's main aim is to secure future energy supply.

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Here is as pacemaker and this pacemaker does the same thing that a heart pacemaker does, it generates periodic electrical signals.

它和心脏起搏器发挥的作用相似,发出周期性的电信号

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They go through these wires and into these electrodes that are deep in your brain, and they stimulate tissue inside the brain.

电信号通过这些线路,传递至植入于大脑的电极中,由此刺激大脑中的组织

耶鲁公开课 - 生物医学工程探索课程节选

But instead of those signals going to your heart they go into the brain.

但这些电信号针对的不是心脏而是大脑

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