1Research on fast prediction of multi plane airflow organization in data centers based on U-Net neural networkLIU Yuce, ZHOU Chaohui, HU Yue, GUAN Weiwei, HUA Rui, ZHANG Wenkai, ZHENG Zeyu, ZHAO Yang1-52Current status and trends of smart home design research in the domestic construction field:Visual analysis based on CiteSpaceXU Yichen, DING Wei6-93Design and mechanical performance analysis of support system for steel column bases in large airportsCHEN Yingling10-134Research on influence mechanism analysis and numerical simulation of foundation pit excavation on existing underground tunnelsXU Yaqiang, ZHANG Zhibiao, TIAN Peng, CHEN Siyu14-175Research on traffic signal control model based on path travel time equalizationCONG Tao29-316Application of local search optimization genetic algorithm in multi-level operation mode of urban suburban railwaysWANG Zhuo, WU Meng, ZHU Guopeng32-347Research on compliance flight test technology of IMA systemXU Bo39-428Study on safety protection measures for construction of utility tunnels crossing existing metro tunnel sectionsZHANG Dongyang43-469Application of UAV multispectral imaging in smart city grid mappingJIN Yanzhong47-4910Spatiotemporal analysis of surface temperature in the Huaihai economic zone from 2001 to 2020SUN Yongliang, HUANG Haihong, ZHANG Lingjun, GAO Junhui, SUN Yuandi50-5211Research on the control strategy of dual-bus DC microgrid based on time-of-use electricity priceLÜ Yaowen, ZHAO Jiankun, GUO Yang, MA Yuechao53-5612Optimal reactive power dispatch for distribution networks with distributed photovoltaic and electric vehicle charging pilesWANG Yue, SHI Xiongjie, ZHANG Lijuan, ZHANG Youran, YU Xiaolei, TANG Tianxiao, XU Di, WU Yajun57-6213Control strategy of LCL photovoltaic grid connected inverter based on generalized predictive controlJIANG Yong, WANG Shaoshuai63-6514Analysis of the development trend and application prospect of transmission and distribution technology under smart gridLU Chen, YANG Yasan, XIN Meiqing66-6815Design and implementation of disaster emergency geographic information platform in Gansu ProvinceWANG Long84-8616Evaluation and improvement strategy of job-housing separation in Hefei High-tech Zone based on multiple data fusionCHENG Fan87-8917Research on the path of land spatial planning combining ensemble learning and multi objective land allocation modelLIU Xiu90-9218Design of smart city distributed energy system based on BIMWU Feihai96-9819Research on the digital transformation planning scheme of urban rail transit enterprisesYANG Yang99-10120Research on the construction method of a collaborative design platform for CIM+old oesidential area renovationCHEN Yiyong, YIN Yan, ZHAO Zhigang105-109 