In the 1940s, ATC centres could and did take advantage of the newly developed radar and improved radio communication brought about by the Second World War, but the system remained rudimentary.
在20世纪40年代,空中交通管制中心能够而且确实利用了第二次世界大战中新研制的雷达和改进的无线电通讯,但是这个系统还处于初级阶段。
Today's globally networked media and communication system has its origins in the 19th century, when, for the first time, messages were sent electronically across great distances.
现代的全球网络媒体和通信系统起源于19世纪,当时信息第一次以电子方式远距离传送。
Is communication so important to our survival and marriage system as individuals?
沟通对我们作为个体的生存和婚姻制度是否如此重要?
They take this makeshift communication system developed by adults and, again, they turn it into a full-blown language, suggesting that to some extent it's part of our human nature to create languages.
他们继承了成人发展出来的临时交流系统,将这个临时交流系统,再次发展成一种成熟的语言,这表明从某种程度上来说,创造语言是我们人类本性的一部分
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