何为第三代移动通信技术的定义?。
What's the definition of the third generation mobile telecommunications?
智能天线是第三代移动通信的关键技术之一，也是当前信号处理和通信领域的研究热点。
It is also one of the current focuses in the signal processing and communication field.
软件无线电技术已经成为第三代移动通信系统中的关键技术。
SR technology has been the key technology of the 3rd generation mobile communication system.
软件无线电技术已经成为第三代移动通信系统中的关键技术。
SR technology has been the key technology of the 3rd generation mobile communication system.
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