【导读】发生了什么？A股跳水，国有四大行股价猛拉 中国基金报记者张舟 9月23日上午，A股三大股指集体回调，上证指数失守3800点。截至午间收盘，沪指跌1.23%，深证成指跌1.84%，创业板指跌1.75%。 沪深两市半日成交额近1.7万亿元，较上个交易日放量3539亿元。个股跌多涨少，市场共471只个股上涨，42只个股涨停，4934只个股下跌。 从板块看，餐饮旅游、互联网、电脑硬件、教育、生物科技、房地产等板块领跌市场，光模块(CPO）、CRO、服务器、稀土、PEEK材料等概念板块跌超 4%；而银行板块可谓"一枝独秀"，国有四大行盘中直线拉升，半导体设备、保险板块亦上涨。 | | | Wind热门概念指数 | | | | | Wind中国行业指数 | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 央企银行 | 银行 | 未营体硅片 | 未营体设备 | 央企煤炭 | 银行 | 保险 | 港口 | 电力 | 陆路运输 | | 2.22% | 1.44% | 0.67% | 0.31% | 0.20% | 1.66% | 0 ...

在培育壮大新兴和未来产业方面，李乐成表示，要实施培育新兴产业打造新动能行动，统筹技术创新、规模化发展和应用场景建设，加快打 造一批新兴支柱产业；建立未来产业投入增长机制，加强前沿技术研发和应用推广， 开辟人形机器人、脑机接口、元宇宙、量子信息等新 赛道，创建一批未来产业先导区。 工业和信息化部部长李乐成9月23日在第25届中国国际工业博览会开幕式上致辞表示，"十五五"时期，工业和信息化部将牢牢锚定实现新型工业化这 个关键任务，以推动高质量发展为主题，以发展新质生产力为重点，以推动科技创新和产业创新深度融合为关键路径，以改革创新为根本动力，加 快建设以先进制造业为骨干的现代化产业体系，不断筑牢中国式现代化的物质技术基础。 ...

Market Overview - A-shares experienced a decline with all three major indices dropping over 1% by midday on September 23, 2023, with over 4900 stocks falling [1] - The Shanghai Composite Index closed at 3781.61 points, down 1.23%, with a trading volume of 722.4 billion yuan; the Shenzhen Component Index closed at 12916.41 points, down 1.84%, with a trading volume of 974.2 billion yuan; the ChiNext Index closed at 3053.48 points, down 1.75%, with a trading volume of 457 billion yuan [1] Sector Performance - Banking stocks collectively rose, with notable increases in Nanjing Bank, Xiamen Bank, China Construction Bank, and Agricultural Bank of China, each gaining over 3% [1] - The port and shipping sector showed resilience, with Nanjing Port and Ningbo Maritime both hitting the daily limit [1] - The semiconductor industry continued its strong performance, with stocks like Changchuan Technology and Lianang Micro reaching the daily limit, and Huasoft Technology achieving three consecutive trading limits [1] - Conversely, tourism stocks faced significant declines, with Yunnan Tourism hitting the daily limit down, and software stocks mostly fell, with Wangda Software also hitting the daily limit down [1][2] Institutional Insights - Huatai Securities recommends the e-commerce and express delivery sectors, noting that despite August being a traditional off-season, the industry is experiencing increased activity due to anti-involution trends, with expectations for continued price increases through the end of the year [3] - Everbright Securities highlights a recovery in the domestic excavator market, with significant policy support expected to sustain mid-term demand for construction machinery [3] - Galaxy Securities remains optimistic about the computing power sector, particularly in PCB, domestic computing power, IP licensing, and chip inductors, anticipating a recovery in the foldable screen market by 2026 [4] Policy Developments - The Ministry of Industry and Information Technology announced plans to explore new sectors such as humanoid robots, brain-computer interfaces, the metaverse, and quantum information during the 14th Five-Year Plan period, aiming to establish a modern industrial system [5] Telecommunications Sector - The telecommunications industry reported a cumulative revenue of 118.21 billion yuan for the first eight months of 2023, reflecting a year-on-year growth of 0.8%, with a total business volume growth of 8.8% when adjusted for last year's prices [6] Investment Trends - The KraneShares CSI China Internet ETF (KWEB) has seen inflows for six consecutive weeks, marking the longest streak since February, with a total inflow of $599 million over this period [7]

Core Insights - The launch of "Guotai Metaverse·Qiyuan" marks the first metaverse-themed product in China's liquor industry, achieving over 1 million yuan in sales within half an hour of its release [1] - The product is based on innovative brewing technology from Guizhou Guotai Intelligent Brewing Group Co., Ltd., integrating the concept of the metaverse to create a new drinking experience [1] Group 1: Product Features - "Guotai Metaverse·Qiyuan" focuses on flavor control and reduced burden, utilizing three core technological innovations [2] - The flavor balance technology significantly reduces harmful components such as acetaldehyde and isoamyl alcohol, resulting in a smoother and more comfortable drinking experience [2] - A digital blending system is established to eliminate reliance on traditional brewing experience, using machine learning to optimize flavor parameters [2] - The product features a 50° alcohol content, developed through a comprehensive system of physical analysis, sensory evaluation, and consumer testing, achieving a dynamic balance of flavors [2] Group 2: Packaging and Target Audience - The bottle design features a water droplet shape and diamond-cut texture, symbolizing the essence of quality and reflecting a modern aesthetic [3] - "Guotai Metaverse·Qiyuan" aims to provide a new drinking experience for business professionals, trendsetters, urban youth, and fans of science fiction, particularly those interested in "The Three-Body Problem" [3] - The product emphasizes innovation across various aspects, including product concept, packaging design, brewing technology, flavor expression, and consumption scenarios [3]

每经AI快讯，工业和信息化部部长李乐成9月23日在第25届中国国际工业博览会开幕式上致辞表示，"十 五五"时期，工业和信息化部将牢牢锚定实现新型工业化这个关键任务，以推动高质量发展为主题，以 发展新质生产力为重点，以推动科技创新和产业创新深度融合为关键路径，以改革创新为根本动力，加 快建设以先进制造业为骨干的现代化产业体系，不断筑牢中国式现代化的物质技术基础。在培育壮大新 兴和未来产业方面，李乐成表示，要实施培育新兴产业打造新动能行动，统筹技术创新、规模化发展和 应用场景建设，加快打造一批新兴支柱产业；建立未来产业投入增长机制，加强前沿技术研发和应用推 广，开辟人形机器人、脑机接口、元宇宙、量子信息等新赛道，创建一批未来产业先导区。 ...

Core Viewpoint - 3D reconstruction is a critical intersection of computer vision and graphics, serving as the digital foundation for cutting-edge applications such as virtual reality, augmented reality, autonomous driving, and digital twins. Recent advancements in new perspective synthesis technologies, represented by Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS), have significantly improved reconstruction quality, speed, and dynamic adaptability [5][6]. Group 1: Introduction and Demand - The resurgence of interest in 3D reconstruction is driven by new application demands across various fields, including city-scale digital twins requiring kilometer-level coverage and centimeter-level accuracy, autonomous driving simulations needing dynamic traffic flow and real-time semantics, and AR/VR social applications demanding over 90 FPS and photo-realistic quality [6]. - Traditional reconstruction pipelines are inadequate for these new requirements, prompting the integration of geometry, texture, and lighting through differentiable rendering techniques [6]. Group 2: Traditional Multi-View Geometry Reconstruction - The traditional multi-view geometry approach (SfM to MVS) has inherent limitations in quality, efficiency, and adaptability to dynamic scenes, which have been addressed through iterative advancements in NeRF and 3DGS technologies [7]. - A comprehensive comparison of various methods highlights the evolution and future challenges in the field of 3D reconstruction [7]. Group 3: NeRF and Its Innovations - NeRF models scenes as continuous 5D functions, enabling advanced rendering techniques that have evolved significantly from 2020 to 2024, addressing issues such as data requirements, texture limitations, lighting sensitivity, and dynamic scene handling [13][15]. - Various methods have been developed to enhance quality and efficiency, including Mip-NeRF, NeRF-W, and InstantNGP, each contributing to improved rendering speeds and reduced memory usage [17][18]. Group 4: 3DGS and Its Advancements - 3DGS represents scenes as collections of 3D Gaussians, allowing for efficient rendering and high-quality output. Recent methods have focused on optimizing rendering quality and efficiency, achieving significant improvements in memory usage and frame rates [22][26]. - The comparison of 3DGS with other methods shows its superiority in rendering speed and dynamic scene reconstruction capabilities [31]. Group 5: Future Trends and Conclusion - The next five years are expected to see advancements in hybrid representations, real-time processing on mobile devices, generative reconstruction techniques, and multi-modal fusion for robust reconstruction [33]. - The ultimate goal is to enable real-time 3D reconstruction accessible to everyone, marking a shift towards ubiquitous computing [34].

Group 1 - The forum gathered approximately 800 domestic and international guests to discuss the integration of culture and technology [1] - The event highlighted the empowerment of technology in cultural sectors, featuring innovations like "AI Lu Xun" at the Beijing City Library [1] - The exploration of future reading methods in the metaverse was a key topic of discussion [1] Group 2 - A special initiative titled "Beijing Colorful Culture 'Four Questions'" was launched to focus on the development of cultural aggregation and technological assistance [1]

Group 1: Financial Performance and Shareholder Returns - The company emphasizes stable performance to reward shareholders through cash dividends and stock buybacks [3] - In the first half of 2025, the content copyright business generated revenue of 48.0015 million, a year-on-year increase of 24.10% [4] - The IPTV basic business effective users reached 20.8 million, a year-on-year growth of 2.51%, while the revenue from IPTV value-added services was 236.7254 million, up 23.68% [13] Group 2: Content Development and Innovation - The company is focused on enhancing the "喜粤 TV" media library, integrating various content types including movies, TV shows, and animations [8] - Recent productions include the web drama "Blind Spot" and animated series "呼噜噜幻影队" and "曲小奇爆笑语文课," which have been well-received on major platforms [5][8] - The company plans to accelerate content investment in areas catering to both elderly and young audiences, utilizing big data for precise analysis [9] Group 3: User Engagement and Market Strategy - The number of nationwide effective users for the cloud viewing series APP decreased by 9.27%, while the number of smart terminals increased by 14.74%, indicating potential user engagement issues [6] - The company is implementing marketing activities and strategic partnerships to enhance user retention and conversion rates [10] - The company aims to strengthen its market position in IPTV by optimizing user experience and expanding its content library through collaborations with major platforms [9] Group 4: Research and Development - The company invested over 27 million in R&D in the first half of 2025, focusing on core technology development to support IPTV and internet TV business growth [11] - Ongoing projects include collaborations with various institutions to explore AI and big data applications in the media sector [16] Group 5: Future Plans and Challenges - The company is committed to maintaining its leading position in the IPTV sector while addressing a 1.08% decline in revenue by enhancing brand marketing and user engagement [17] - Plans include expanding user scale and improving active user rates through refined operational strategies and diverse subscription offerings [12]

Core Viewpoint - The launch of Guotai Metaverse Qiyuan liquor marks the first metaverse-themed product in China's liquor industry, achieving over 1 million yuan in sales within half an hour of its online debut [1] Group 1: Product Launch and Sales Performance - Guotai Metaverse Qiyuan liquor was officially launched on September 21, achieving over 1 million yuan in sales within the first half hour [1] - The product is exclusively sold online, priced at 358 yuan per bottle [11] Group 2: Innovation and Technology - Guotai has developed an intelligent brewing production system through over ten years and six iterations of technological upgrades, resulting in 30 processes, 274 craft links, and 1508 indicators [5] - The product incorporates three core technological innovations: flavor balance technology, digital blending system, and a 50° soft sauce aroma [7][8] Group 3: Unique Product Features - The bottle design resembles a water droplet, inspired by a sci-fi concept, enhancing its metaverse attributes [9][11] - The product aims to provide a new drinking experience for modern consumers, particularly targeting new business individuals and trendsetters [13]

来源：中国网 以"智创无界·融合共生"为主题的YSS2025国际青年创新大会（Youth Science Summit 2025）将于2025年 10月20日至21日，在深圳国际会展中心启幕，集结青年创新者，聚焦AI、机器人、智能制造、低空经 济、元宇宙等前沿领域，搭建"技术+商业"全球化生态平台。 机器人擂台赛携全球顶尖机器人团队竞技，展现智能制造最新突破；Music Live科技音乐秀AI作曲、机 器人乐队与人类音乐家同台，演绎"无界艺术"；巅峰对决工作坊承托青年创客与资本方48小时极限挑 战，孵化高潜力项目；辣妹演唱会更体现科技与潮流的碰撞，释放青年创新活力，书写科技与人文交融 的新愿景。 倒计时30天：全球科创者共赴深圳之约 目前，大会已吸引超百家科创企业、数十家投资机构参与，国际参会者覆盖50余个国家。YSS2025不仅 是技术展示的舞台，更是全球创新生态的"连接器"——通过全球科创资本对接计划、闭门资源匹配会、 独角兽加速营等机制，助力企业从"单点突破"迈向"生态共赢"。 10月20日-21日，深圳国际会议中心，与世界最前沿的科技巨头同行，聆听全球大咖的顶级思维，见证 下一个"独角兽"的诞生！共启 ...