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1·Based on a heterogeneous network model composed of IEEE802.11WLAN and GPRS, this paper presented a novel seamless handover control scheme.

基于IEEE802.11 WLAN和GPRS构建的异构网模型，提出了一种新的无缝切换控制方案。

2·The handover was seamless and for several years GE continued to delight investors with increased sales and profits.

权力被无缝移交，并且之后的几年里GE的股东们继续享受销量增长和盈利增加带来的好处。