Much interest has also been shown in projects to use other communication signals between nerve cells.

对神经细胞间采用其他信号沟通，科学家们也显示出了很多兴趣。

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Manned "stationary" satellites are used to relay and broadcast electromagnetic communication signals.

“固定不动的”人造卫星被用来转播及广播电磁通讯信号。

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The communication signals are inhibited, thus slowing down mental processing and the central nervous system.

通信信号被阻止了，因此减缓了精神处理和中枢神经系统的运行。

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Marconi sent the first radio communication signals through the air in eighteen ninety-five.

VOA: special.2010.01.31

Such machines could be used for scientific research or surveillance, or as relay stations to transmit communication signals across long distances.

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For many years, passengers have been told that some electronic devices, including cell phones, can interfere with aircraft navigation and communication signals.

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But that first requires the service to find an off-the-shelf radio that can carry the necessary signals to enable unfettered communication between diverse radios and users.

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