信息和通信技术的使用不断扩大在数量和质量上。
The use of information and communication technology has steadily expanded in terms of quantity and quality.
一般的通信系统很容易丢失有用的信息，引起视频质量的降低。
Generic communication system is easy to loss the useful information, and arouses the quality of the system decreasing.
随着信息时代的到来，人们对网络通信质量的要求越来越高。
With the coming of information age, people demand a higher quality of network communication.
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