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事实证明,曾被大家认为是不可改变的数学运算规则,实际上是非常灵活的,它会随着周围情况的改变而改变。比如说,4岁的儿童在接受学前教育时都知道1加1等于2,然而,两个截然不同的生物体相结合,常能繁衍出第三、第四、第五个生物体,甚至更多。在数字通信领域中,1加1等于1。至少这是那些不顾一切寻求把数据和语音结合在一起的商人们所希望的。一根电线既可传输音频信号、视频信号,又能传输大量数据,是网络管理者长久以来渴望而不可及的梦。很多公司宣布音频和数据的
Facts have proved that once considered by everyone as the mathematical rules can not be changed, in fact, is very flexible, it will change as the surrounding changes. For example, a 4-year-old knows 1 plus 1 equals 2 when he or she receives pre-school education. However, the combination of two distinct organisms often produces the third, fourth and fifth organisms and even more many. In the field of digital communications, 1 plus 1 equals 1. At least this is what businessmen desperately seeking to put together data and voice. A wire can transmit both audio and video signals, as well as large amounts of data, a long-awaited and inaccessible dream for network managers. Many companies announce audio and data