{ "item_title" : "Ubiquitous Network/无", "item_author" : [" 李永太等编 "], "item_description" : "This book provides a detailed account of the technologies that today's networks rely on, with a focus on analyzing the principles and methods behind each technology. 本书详细叙述当今网络所依靠的技术，并注重分析各种技术背后的原理和方法。 The ultimate goal of the development of the Internet and the Internet of Things is ubiquitous networks, also known as ubiquitous networks, which means that anyone and anything can communicate smoothly at any time, anywhere. This book introduces in detail the network technology, terminal hardware, software system, power supply system and relevant network structure on which the ubiquitous network depends. The network technology covers the Internet, Internet of Things, access network, wireless network, mobile network, transmission network, data network and synchronization network. 互联网和物联网发展的终极目标是泛在网，也称为无处不在的网络，即在任何时间、任何地点的任何人、任何物之间都可以顺畅地通信。 本书详细介绍了无处不在的网络所依靠的网络技术、终端硬件、软件系统、电源系统和相关网络结构，其中网络技术涵盖互联网、物联网、接入网、无线网、移动网、传输网、数据网和同步网等内容。", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/7/11/548/755/7115487553_b.jpg", "price_data" : { "retail_price" : "25.99", "online_price" : "25.99", "our_price" : "25.99", "club_price" : "25.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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