科技日报北京5月18日电 （记者操秀英）18日，中国卫星导航定位协会发布《2025中国卫星导航与位置 服务产业发展白皮书》。白皮书显示，2024年我国以北斗为核心的卫星导航与位置服务产业总体产值达 到5758亿元，同比增长7.39％。其中，包括与卫星导航技术研发和应用直接相关的芯片、器件、算法、 软件、导航数据、终端设备、基础设施等在内的产业核心产值达到1699亿元。 白皮书称，下一代北斗系统和国家综合时空体系都将在2035年前建设完成。从时空服务产业当前及未来 发展的视角来看，应进一步大力推进北斗在各行业各领域的深化融合应用，鼓励时空信息与互联网、物 联网的大众消费服务相结合，同步推动区域产业协调发展，这些都是当前数字经济发展背景下推动北斗 应用发展与产业生态建设的关键。 白皮书称，随着北斗产业的快速发展，我国卫星导航专利年度申请量持续增长。最新数据显示，截至 2024年底，我国卫星导航专利申请总量已突破12.9万件，同比增长4.8%，继续保持全球领先。 2024年，北斗系统应用规模进一步提升。截至2024年底，全国约2.88亿部智能手机支持北斗定位功能， 占比达98%；大众地图软件基于北斗高精度的车道级导 ...

Core Insights - The increasing popularity of electric vehicles has led to charging challenges, particularly during peak travel times, such as long queues at charging stations [1] - The introduction of the Flashrobot energy robot by State Grid Electric Vehicle (Shanxi) Service Co., Ltd. aims to enhance the charging experience for electric vehicle users at highway service areas [1][2] Group 1: Product Features - The Flashrobot is equipped with a 100 kWh battery and a charging power of 100 kW, capable of charging 2 to 3 vehicles simultaneously [2] - It utilizes advanced technologies such as smart driving chips and laser radar, enabling L2 level autonomous driving and navigation to congested areas [2] - The robot can also be manually controlled via Bluetooth in uncertain road conditions, effectively alleviating queue pressures during peak charging times [2] Group 2: Market Impact - The integration of autonomous driving and energy storage technology represents a significant innovation direction in the energy sector [2] - The Flashrobot addresses the limitations of traditional fixed charging stations by providing mobile charging solutions that meet the growing demand for distributed energy [2] - The robot not only serves as a "mobile power bank" but can also assist in vehicle rescue operations, expanding its utility beyond just charging [2] Group 3: Future Outlook - The evolution from passive waiting to proactive response, and from fixed infrastructure to mobile intelligent solutions, illustrates a promising future for energy robots in the electric vehicle ecosystem [3] - As technology matures, seamless experiences for electric vehicle users are anticipated to become a reality [3]

然而，培养"施工队"却并不容易。魏凯直言，许多企业用户往往需要先干活再立项做预算，这导致 了"脏活累活"难解决、"施工队"动力不足等问题。此外，企业的数据治理能力弱也是制约人工智能产业 发展变革的短板。"数据治理被视为'下水道工程'，这方面做不好，即使把模型引入公司，'施工队'也无 处下手。"魏凯说。 对此，魏凯建议，企业应在大模型落地过程中加大预训练阶段投入，同时提升训练集群算力效率、加快 代理型人工智能研发，充分发挥消费场景"练兵场"作用，以数据闭环优化数据供给，推动大模型优化。 此外，应培养更多具备跨界思维的复合型人才。 （文章来源：科技日报） "大模型就像一个软乎乎的大脑，发挥作用必须有脑壳、眼睛、手、胳膊和腿。这背后必须要搭建多套 软件来支撑。完整的软件栈和工具链才能让人工智能真正变成生产力。"在日前举行的清华大学数字经 济系列沙龙第八期上，中国信息通信研究院人工智能研究所所长魏凯说，算法、数据、算力的规模效应 仍在持续放大，但大模型并非"万能钥匙"。引入大模型只是"买图纸"，而要真正落地，需要配备专 业"施工队"来完成大模型开发、调优、评估、部署及推理等全流程工作。 "以宠物经济为例，大模型可以通 ...

Core Insights - The construction of the Jinan International Trade Industrial Park showcases the integration of advanced robotics and digital technologies in the building process, significantly enhancing efficiency and safety [1][3]. Group 1: Technological Innovations - Various robots, including 5G tower cranes and lightweight building machines, are employed to streamline construction, achieving tasks like steel binding and material lifting with remarkable speed and precision [1][2]. - The "building machine" developed by China State Construction Engineering Corporation (CSCEC) improves construction speed by 30% compared to traditional methods, and multiple types of intelligent construction robots are utilized for various tasks [2][3]. Group 2: Digital Management - The project implements a comprehensive digital management system, utilizing Building Information Modeling (BIM) technology to ensure seamless integration from design to construction, thereby minimizing errors and rework [2][3]. - A smart construction platform allows real-time monitoring of construction progress and quality, enhancing overall management efficiency and safety [3]. Group 3: Sustainability and Safety - The construction process emphasizes green and intelligent practices, aiming to create ultra-low energy buildings and smart office environments, reflecting a broader industry trend towards sustainability [3]. - Safety measures include overload alarms and AI safety recognition systems, which enhance site safety and operational oversight [3].

解码过程中，研究人员利用了某些链状聚合物能够逐个分解的特点。由于每个单体都有独特的电化学信 号，因此在逐步降解过程中产生的电信号可以用来解读单体的顺序。尽管目前这种方法解码速度较慢， 11个字符大约需要2.5小时，但研究人员正在努力改进以加快解码速度。 美国得克萨斯大学奥斯汀分校研究团队在《化学》期刊上发表了一项创新研究：他们开发了一种新的信 息编码和解码方法，通过合成聚合物分子实现了数据存储，并利用这种方法对信息进行了编码和解码。 这是首次尝试将信息写入塑料的基本单元，并使用电信号读取这些信息，使得在日常材料中存储信息成 为可能。 这项研究标志着向基于聚合物的便携式集成数据存储技术迈出了重要一步。未来的工作将集中于如何将 聚合物与电子电路连接起来，以便计算机可以直接读取这些信息。尽管还有许多挑战需要克服，例如解 决测序的破坏性和耗时性问题，但这一进展为未来的数据存储解决方案提供了新的方向。 传统的硬盘和闪存设备维护成本高、能耗大且使用寿命有限，不适宜长期数据存档。而分子存储技术， 特别是基于DNA或合成聚合物的信息存储，虽然具有潜力，但其解码过程通常需要昂贵的仪器，如质 谱仪。 （文章来源：科技日报） 为了 ...

研究人员表示，虽然距离临床应用还有很长的路，但这项技术已经展现出巨大潜力。想象一下，未来医 生或许能像修复电路一样，精准修复出问题的大脑连接，而不会伤及健康脑区。 美国南加州大学研究团队开发出两款"黑科技"，其能像开关一样选择性且可逆地断开脑细胞之间的连 接。这一成果发表于新一期《eLife》杂志，有望改变脑科学研究，并为治疗癫痫、成瘾和创伤后应激 障碍等神经系统疾病开辟新途径。 （文章来源：科技日报） 团队还开发了两种可按需激活的GFE3工具：一种通过光激活（paGFE3），另一种通过化学信号激活 （chGFE3）。他们表示，借助这些工具，科学家能精准"剪断"特定神经连接，还能让它们重新长回 来。整个过程就像外科手术般精确，只针对目标突触，其他脑细胞完全不受影响。这种可逆、精准的操 作方式，让科学家能更深入地研究记忆、情绪、行为背后的神经机制。 在研究中，该团队从大脑自带的"回收系统"获得灵感，开发出两种分子工具：靶向兴奋性突触（让神经 连接更活跃的突触）的PFE3和靶向抑制性突触（让神经连接更少的突触）的GFE3。突触是神经元之间 在功能上发生联系的部位，也是信息传递的关键部位。 研究人员解释说，在大脑内 ...

Core Insights - The successful launch of the "Zhuque-2" rocket on May 17 marks the initiation of the second phase of the "Tiansuan Constellation" project, with the "Beiyou-2" and "Beiyou-3" satellites entering their designated orbits [1] Group 1: Project Overview - The "Tiansuan Constellation" is an open-source space computing experimental platform, with the second phase planning to launch a total of 24 satellites focusing on advanced fields such as space computing, 6G networks, and intelligent remote sensing [1] - The first batch of satellites in this phase, "Beiyou-2" and "Beiyou-3," were developed by Beijing University of Posts and Telecommunications in collaboration with Changsha Tianyi Research Institute [1] Group 2: Technological Innovations - The development team overcame key technological challenges related to the reliability of space servers, real-time capabilities of hyperspectral cameras, and the stability of laser communication systems in orbit [2] - Significant technological breakthroughs have enabled the satellites to possess deep payload integration and dynamic optimization capabilities, addressing issues such as unreliable computational supply, poor timeliness of remote sensing data, and limited communication bandwidth [2] Group 3: Future Developments - Following the launch, the satellites will conduct a series of frontier technology experiments in satellite internet, including inter-satellite high-capacity laser communication and dynamic tuning of satellite laser communication payload rates [2]

Core Viewpoint - The launch of China's first integrated orbital computing satellite constellation, "Three-Body Computing Constellation," marks a significant advancement in space computing capabilities, aiming to enhance data processing efficiency in various applications [1][2]. Group 1: Naming and Concept - The term "Three-Body" is derived from Newton's "Three-Body Problem," representing the complex interactions among multiple objects, akin to celestial bodies [2]. - The "Three-Body Computing Constellation" is classified as a fourth type of artificial satellite, focusing on computational tasks rather than traditional communication, navigation, or remote sensing [2][3]. Group 2: Purpose of Space Computing - Traditional satellite data processing involves sending data back to Earth, which is limited by ground station resources and bandwidth, resulting in low data transmission efficiency [4]. - The "Three-Body Computing Constellation" aims to perform data processing in orbit, allowing for immediate transmission of processed results to Earth, thereby expanding the boundaries of space applications [4][5]. Group 3: Technical Specifications and Capabilities - The initial launch includes 12 computing satellites, which are the first step in building a constellation with a total computing power of 1000 Peta Operations Per Second (POPS) [5]. - The onboard intelligent computing system enhances satellite computing power from Tera to Peta scale, achieving a 10 to 100 times improvement [5]. - The constellation will utilize an 8 billion parameter space-based model, enabling autonomous multi-source remote sensing data processing in orbit [5]. Group 4: Future Applications - The "Three-Body Computing Constellation" is expected to significantly reduce data processing times in applications such as forest fire monitoring, from hours to minutes or even seconds [7]. - Future applications will include urban governance and emergency response, providing effective data support and intelligent services for smart city development [7]. - The laboratory plans to complete the deployment of over 50 computing satellites this year and aims to establish around 100 satellites by 2027 [7].

Core Viewpoint - The food export industry in Luohe is experiencing significant growth, with a focus on innovation and market expansion, leading to increased international sales and a robust export performance [2][5][6]. Group 1: Export Performance - Luohe's food export value reached 190 million yuan in the first quarter, marking an 84.7% year-on-year increase [2]. - The company Henan Maien Food Co., Ltd. has successfully exported various products, including popular chocolate bars, to countries like the UK [1]. Group 2: Innovation and Development - Luohe has established the only provincial food laboratory in Henan, which has 23 research teams led by 14 academicians, focusing on nutrition, health, and future food innovations [3]. - The city has transitioned from a manufacturing hub to an innovation center within three years, emphasizing the importance of shared resources for small and medium enterprises [3][4]. Group 3: Market Expansion Strategies - Luohe's government is actively supporting food companies in exploring new markets and developing new products, with a focus on e-commerce and efficient customs processes [5]. - The local government has facilitated the entry of 16 small and medium-sized food enterprises into international markets, achieving first-time exports of various products [5]. Group 4: Industry Scale and Recognition - Luohe is home to over 7,000 food enterprises, with an industry scale of 250 billion yuan, and has attracted numerous top-tier companies [6]. - The city has successfully transformed its food industry from a regional supplier to a global player, enhancing its value and market presence [6].

Group 1 - The construction industry is undergoing a critical transformation, with "green development" and "smart buildings" as key directions [1] - The industry is facing both opportunities and challenges due to factors such as deep adjustments in the real estate market, high-tech reshaping of the industry ecosystem, and a green revolution pushing for industrial upgrades [1] - The transition in China's construction sector should focus on quality and sustainability, emphasizing the need for "lean construction" and the integration of new technologies like BIM, cloud computing, big data, and AI [1] Group 2 - The concept of building a "good house" encompasses safety, alongside green and smart features, highlighting the importance of structural reliability in disaster scenarios [2] - There is a need for improved data collection and modeling for structural reliability, with ongoing efforts to develop new load investigation techniques using big data and AI [2] - Recommendations include transitioning from traditional design methods to reliability-based design, indicating significant foundational research is required [2]