Accurate smartphone positioning in dense urban environments remains challenging due to signal blockage, multipath effects, and unreliable satellite ...
Excerpts from recent editorials in the United States and abroad: ___ Dec. 23 The Washington Post on conservatism and free markets When American conservatives abandon free-market principles, there’s no ...
Data Factor, New Quality Productive Forces, Industry-University-Research Cooperation, Industrial Structure Optimization Share ...
The New Type Key Think Tank of Zhejiang Province “China Research Institute of Regulation and Public Policy”, Hangzhou, China. 2 Shandong Province City Water Supply and Drainage Water Quality ...
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