The MW-1500 is a digital microwave communication system for radio line of sight (LOS) information transmission.

1500是一种数字式微波通信系统用于视距(LOS)无线电信息传送。

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Tactile communication USES touch rather than sight or hearing.

触觉交流，是用触摸感觉，而不是用看或听来感觉。

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Never lose sight of the fact that communication is official, especially in dealing with someone of higher rank.

永远不要忽视交流是在官方之间进行这个事实，特别是在和更高级别的人打交道时。

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Infra-red communication suffers the same problems, but has the additional limitation of requiring a direct line of sight between objects as anyone who has tried to operate a television remote control with someone else standing between him and the television will know.

ECONOMIST: The human body as a computer bus