Group 1 - The core viewpoint of the article highlights the patent application by China State Construction Engineering Corporation (CSCEC) for a method of leak detection in concrete structures, which utilizes multimodal data fusion technology to enhance detection sensitivity and robustness [1] - The patent, titled "A Multimodal Fusion-Based Method for Leak Detection in Concrete Structures," includes steps such as multimodal data collection, preprocessing, feature extraction, and visualization, ultimately providing precise diagnostics for concrete structure health monitoring [1] - The method addresses the limitations of single-modal detection by dynamically adjusting weights through adaptive fusion mechanisms, thus improving the accuracy of leak source diagnosis and generating expert-level maintenance recommendations [1] Group 2 - China State Construction Engineering Corporation, established in 1953, is primarily engaged in the construction and installation industry, with a registered capital of 1 billion RMB and involvement in 5,000 bidding projects [2] - Beijing Zhongjian Architectural Science Research Institute Co., Ltd., founded in 1994, focuses on research and experimental development, with a registered capital of 12 million RMB and participation in 23 bidding projects [2] - CSCEC has a significant portfolio, including 5,000 patent records and 4,174 administrative licenses, while the research institute holds 279 patents and 20 administrative licenses [2]