"Advanced Wireless Networks 4G Technologies". New E-Book. In the wireless communications community we are witnessing more and more the existence of the composite radio environment (CRE) and as a consequence the need for reconfigurability concepts

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可以查看不同时区的时间，方便了出差去国外的人。拥有简洁的界面，丰富的功能。-You can view different time zones, to facilitate travel to foreign people. Has a simple interface, rich functionality.