在分析了目前的模拟语音室存在的缺点后，提出了建立数字网络语音室的解决方案。
After analyzing the disadvantages of the analog speech classrooms at present, the solution is given to establish a digital network speech classroom.
数字网络不象模拟网络那样易受噪音干扰。
Digital networks are considerably less subjected to noise than analog networks.
既可以在数字网中工作、 又可以在模拟网络中工作的手机就是一个例子。
One example is phones that operate on both digital and analog networks.
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