转型时期宽带网络的发展趋势，宽带网络设备的发展趋势。
Development trends of boardband network and boardband network devices during the transitional period.
通讯及宽带网络用宽带脉冲变压器也担当起“重任”，成为宽带网络产品的核心元件之一。
Especially, the transformers that are used in telecom and wideband networks act as an important part and become a pith of parts.
最后指出无线宽带网络所面临的挑战，并预测了未来无线宽带网络的发展趋势。
Finally, the challenges wireless broadband networks now facing are pointed out and the future perspective of the wireless broadband network is speculated.
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