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近年来,因特网的出现,以其信息传输速度快、时效性强等优点,受到人们的青睐。现在,人们已经把因特网列入继报刊、广播、电视之后的第四媒体。在许多重要的信息传播中,计算机网络发挥了积极的作用。目前,美国、日本、欧洲一些国家,已经流行让家用电器上网的新时尚,从而使人们的家庭生活更加便利和舒适。在一些发达国家的家庭中,人们使用一种叫“机顶盒”的转换装置,通过连接普通电视机和电话插座,就可以使普通的电视机既可以收看电视节目,又能
In recent years, the advent of the Internet has been favored by its people for its advantages of fast transmission of information and timeliness. Nowadays, the Internet has been listed as the fourth media after newspapers, radio and television. Computer networks have played a positive role in many important informational communications. At present, the United States, Japan, some European countries, has become popular fashion for home appliances online, so that people’s family life more convenient and comfortable. In some developed country families, people use a conversion device called a “set-top box” that allows ordinary television sets to both watch television programs and connect them to regular television sets and telephone sockets