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上海龙凤419
阿拉爱上海
上海龙凤419
阿拉爱上海
Shanghai's Smart City Revolution: How Technology is Transforming China's Financial Capital
Part 1: Digital Infrastructure Breakthroughs (1,000 words) 1.1 The Nervous System of a Smart City - World's largest urban IoT network: 42 million connected devices - City-wide 5G coverage achieving 1.2Gbps average speeds - "City Brain" operatio
⏱ 2025-05-15 00:29
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阿拉爱上海
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