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地球的生命都需要交流信息,植物通过缠在地下的根、长在地上的叶交流生命的气息;动物通过声音与动作表达不同的含义,人类则通过语言传情达意。如何将信息传的更远呢?人们想出了各种各样的方法,从烽火台到驿站,从抵万金的家书,到关系国家存亡的公函,信件使人类第一次将信息传送到遥远的地方。 信件的传输速度与交通工具有关,无论如何。人们还是觉得它太慢。电报的发明,使信息可以在几分钟之内就可以跨过千山万水。电话的诞生缩短了空间上的距离,使实时的信息交流成为可能。随着网络时代的到来,一种新的信息交流方式逐渐走入了人们的生活,使用这种通讯方式的许多人
Earth’s life requires the exchange of information. Plants communicate the breath of life through the roots wrapped around the ground and the leaves growing on the ground. The animals express different meanings through sound and movement, and human beings pass the language to express their wishes. How to transfer the information farther? People came up with a variety of ways, from beacon towers to the post, arrived from the house of gold books, to the official letter of the nation’s survival, the letter to the first human information will be sent to a faraway place. The transmission speed of mail is related to transportation, no matter what. People still think it is too slow. The invention of the telegraph enabled the message to span thousands of miles in just a few minutes. The birth of the phone has shortened the space and made it possible to exchange real-time information. With the advent of the Internet age, a new way of information exchange gradually into people’s lives. Many people who use this means of communication