本报记者 喻思南 王赤(左)查看仪器测试情况。 中国科学院国家空间科学中心供图 人物小传 王赤，1967年2月生，湖南邵阳人，中国科学院院士，中国科学院国家空间科学中心主任。长期从事空 间物理和空间天气研究，担任探月工程四期首席科学家，子午工程(二期)总指挥，中国科学院空间科学 (二期)先导专项负责人，太阳风—磁层相互作用全景成像卫星("微笑"卫星)中方首席科学家。 1月27日，中国科学院大学星际航行学院正式成立，将聚焦星际推进、深空通信导航、空间科学等前沿 领域，培育兼具扎实功底、战略视野与家国担当的紧缺复合型人才。中国科学院院士王赤就是这所特色 学院人才培养专项负责人之一。 空间科学是我们了解宇宙、探索太空的重要支撑。从探索科学前沿到主持重大项目，耕耘空间科学30多 年，王赤将个人所学与国家发展所需紧密结合，成为我国空间科学事业发展的见证者、参与者和推动者 之一。"个人的理想或许如星辰般渺小，但当它与国家发展同频共振时，就能迸发出光芒。"一次交流活 动上，王赤的发言引起了与会者的共鸣，也道出他的成长心声。 "一定要努力去做原创性研究" 太阳风是来自太阳的带电粒子流，是影响地球和太阳系空间环境的主要因素。日 ...

在生态布局方面，进迭时空正构建从计算核、芯片到解决方案的全栈体系，支持多款操作系统与主流大 模型格式，同时开放硬件参考设计，为开发者提供便捷落地支持。 陈志坚表示，RISC-V开放架构为芯片产业提供了差异化发展契机。进迭时空将通过技术创新与生态共 建，推动自主架构芯片在更多终端场景落地，为数字经济发展提供高性价比算力选择，助力产业实现自 主可控与高质量发展。 "人工智能产业的发展，不仅需要数据中心的大规模算力，更需要适配智能硬件的高效、低成本算力解 决方案。"进迭时空CEO陈志坚在发布会上表示，传统CPU+GPU模式难以满足智能机器人、边缘推理等 场景的能耗与空间约束，而AI CPU通过 "主控计算+AI算力集成" 的创新形态，能更好平衡性能与实用 性。 据介绍，K3芯片聚焦算力与带宽利用率双重优化，具备支撑中大型参数模型本地运行的AI算力，适配 多元智能终端场景，在核心技术适配与工程化打磨上形成差异化优势，目前已成功应用于人形机器人等 领域。 1月29日，进迭时空举办"K3 新品发布会"，正式推出符合RVA23规范的RISC-V高性能AI CPU芯片，通 过架构创新与全栈生态布局，为AI推理、智能终端等场景 ...

坚守筑牢底线，诠释责任与担当。安全是春运的生命线，而这份安全，源于无数从业者的日夜坚守。铁 路检修人员彻夜奋战，以智能系统实现毫米级探测，守护列车每一个关键部件；公路交警顶风冒雪，巡 查在每一段高风险路段，清除路障、疏导交通；民航机务人员细致排查，为飞机做足"安全体检"，确保 每一次起降平安；海事执法人员坚守航道，防范恶劣天气，守护船舶航行安全。从钢轨到航道，从机舱 到车厢，万千身影各司其职、各尽其责，以匠心打磨细节，以坚守筑牢防线，用汗水与付出为亿万旅客 的归乡路保驾护航。 春运大考，考的是运力调度的硬实力，更是服务民生的软实力。愿每一位旅客都能平安抵达，与家人欢 聚一堂；愿每一份坚守都被温柔铭记，每一份付出都收获认可。春运终会落幕，但这份守护与温暖，终 将成为刻在岁月里的温情印记。 春潮涌动，归心似箭。2026年春运大幕拉开，这场亿万国人的团圆迁徙，既是对家的深情奔赴，更是我 国综合交通运输体系的年度大考。铁路、公路、民航、水运协同联动，无数交通从业者坚守岗位，以充 足的运力、暖心的服务、安全的守护，共同铺就平安有序、温馨满溢的归乡之路。 运力协同发力，织密立体归乡网。作为春运主力军，铁路在充分发挥高铁网 ...

2026重庆两会期间，重庆市人大代表、奉节县县长吴涛在接受人民日报客户端重庆频道、人民网重 庆频道、"成渝发布"新媒体矩阵专访时表示，作为渝陕鄂三省（市）交界的重要节点城市，奉节正依托 其独特的区位与交通优势，积极打造"渝陕鄂交界地区商贸物流集散中心"。 吴涛介绍，奉节地处三峡库区腹心，是长江经济带与成渝地区双城经济圈建设等国家战略的重要交 汇节点。向北可联动陕西安康等秦巴片区，向南衔接湖北恩施、利川等鄂西片区，具备联南接北、承东 启西的区位优势。 "奉节已具备'铁公水'多式联运的先决条件。"吴涛表示，目前郑渝高铁每日52班次高效联通全国， G42沪蓉、G6911安来高速纵横交汇，G4223武渝高速加快建设，"井"字形高速路网正加速成型。同 时，奉节拥有天然深水良港，"一干两支"内河航道可常年通航5000吨级船舶，2025年水路货物周转量达 318.2亿吨公里，运力位列全市第四，为渝东北、陕南、鄂西地区大宗货物通江达海提供了有力支撑。 吴涛表示，奉节打造渝陕鄂交界地区商贸物流集散中心，完全契合市级规划导向、贴合区域发展需 求。《重庆市国民经济和社会发展第十五个五年规划纲要》明确提出"布局建设大宗商品集散中心" ...

Core Insights - Kimi has launched its next-generation open-source model, Kimi K2.5, which has achieved the best performance in global open-source model evaluations such as HLE, BrowseComp, and DeepSearchQA, making it the most intelligent model to date [1] Group 1: Model Features - Kimi K2.5 is designed on a native multimodal architecture that supports both visual and text inputs, integrating capabilities such as visual understanding, reasoning, programming, and agent functionalities into a single model [1] - The founder of Kimi, Yang Zhilin, stated that the company has restructured the infrastructure for reinforcement learning and optimized the training algorithms to ensure maximum efficiency and performance [1] Group 2: New Functionalities - The development team has introduced an "Agent Cluster" feature in K2.5, allowing the model to autonomously create "avatars" that can form teams with different roles to work in parallel, significantly enhancing the efficiency of complex task processing in large-scale search scenarios compared to single-agent execution [1] - Kimi K2.5 has also launched a new programming product called Kimi Code, which can run directly in terminals and integrate with mainstream editors like VSCode, Cursor, and Zed. This product leverages K2.5's multimodal advantages, enabling developers to input images and videos for programming assistance, thereby simplifying the programming process and lowering technical barriers [1]

Group 1 - The core viewpoint of the articles is that the integration of AI tools in education is reshaping learning dynamics, raising concerns about children's critical thinking and creativity while also presenting opportunities for educational equity [1][2] - Experts suggest that children, as "AI natives," should not be overly restricted in their use of AI, as it can enhance their learning experience and creativity [1] - There is a concern that families who do not utilize AI may fall behind, creating a new divide in educational opportunities and talent selection [1][2] Group 2 - The role of teachers is being redefined in the AI era, with a focus on how they assess and support students rather than just delivering knowledge [2] - AI is seen as a tool that can alleviate teachers' workloads, allowing them to concentrate more on individual student development [2] - The release of the "Eight Insights of Education in the AI Era" by Qianwen highlights the shift towards more autonomous learning and the evolving relationship between teachers and students [2]

数据来源：工业和信息化部 从全球范围来看，得益于人工智能边界的新突破、新场景落地，基于大模型的应用收入每年呈几倍的增 长，增量远大于存量。我们对未来充满信心，因为我们看到了在人工智能产业的发展中，有本土成长起 来的优秀人才梯队、算力供应链以及全球领先的使用AI的用户群体和企业。尤其我国有大量的年轻人 学习和从事人工智能相关的工作。目睹和亲历中国企业同样能做出来一代代更好的技术，这些年轻人才 对技术创新和产品创新也越来越有自信，也敢于做更具突破性的尝试。 过去3年，基于大模型的人工智能从一项前沿技术，加速成长为引领新一轮产业变革的重要驱动力。从 语言模型到多模态理解生成，再到各种完成复杂任务的智能体，智能边界不断突破，模型的使用量持续 增加，应用落地越来越多。预计未来几年，人工智能技术进步和产业变革仍将高速发展，甚至更快。 在人工智能技术发展进程中，我国的科技公司扮演着越来越重要的角色，在成本效率和开源上确立了初 步优势。在算力受限的情况下，我国企业充分利用人才和工程师的红利，做了大量创新，极大提高了大 模型训练和推理的算力使用效率，从而训练出多个受到国际认可的大模型。目前在开源领域，中国大模 型的使用量已经超 ...

Group 1 - The core viewpoint of the articles highlights the proactive measures taken by State Grid Electric Power Research Institute (NARI Group) to enhance the stability and efficiency of the power grid through advanced technologies and reforms [1][2][3] - NARI Group is accelerating the implementation of "scientific reform actions" and deepening state-owned enterprise reforms to promote breakthroughs in key areas [1] - The company has established seven specialized research teams and seven "ten-year sword" teams, adopting a flat organizational structure to focus on solving industry pain points [2] Group 2 - By 2025, NARI Group is expected to have accumulated 171 provincial and ministerial-level scientific and technological awards, with 10 projects recognized as major technological equipment in the energy sector [2] - The company has implemented a multi-dimensional incentive mechanism to stimulate innovation, ensuring that performance and compensation grow in tandem [3] - NARI Group is expanding its focus beyond traditional power systems into energy internet and industrial internet sectors, aiming to cultivate a "second growth curve" [3]

Core Insights - The research team involved in the Chang'e 6 lunar sample analysis has made significant discoveries regarding the unique carbon nanostructures found in lunar soil, which challenge previous understandings of the Moon's surface environment [1][2] Group 1: Research Findings - The team successfully identified and confirmed the presence of naturally occurring single-walled carbon nanotubes and graphite carbon in lunar soil samples, marking a first in international research [1] - A comparative analysis between lunar surface samples and those from the far side revealed a higher number of carbon structural defects in the far side samples, indicating asymmetry in material composition and evolutionary processes between the two sides of the Moon [1] Group 2: Research Methodology - The research faced challenges in presenting clear nanostructures under transmission electron microscopy while preventing damage from high-energy electron beams, leading to a dual approach of optimizing instrument parameters and enhancing sample preparation efficiency [2] - The successful results were attributed to the collaborative efforts of the research team, which combined theoretical research foundations with practical skills in sample testing, preparation, and data analysis [2]

在论坛上买了别人出让的闲置物品，如果不满意，可以主张"七天无理由退货"吗？ 在平台的店铺里买了一个二手包，如果不满意，可以主张"七天无理由退货"吗？ 去年3月，家住四川成都的区女士在某平台一家店铺花了4500元，买了一个二手手提包。 在交易过程中，客服告诉区女士，因为二手商品具有特殊性，确认发货后非真假问题不退不换，区女士答应了。 收到包后，区女士发现包上有部分区域颜色和其他地方有些许不同，怀疑包被补过色，便主张"无理由退货"，遭到店铺拒绝。 于是，区女士先是向平台投诉，无果后又向广州互联网法院提起诉讼，要求行使"七天无理由退货"权利，退货退款。 消费者权益保护法规定了网络购物消费者享有"七天无理由退货"权利。但二手商品有其特殊性，购买者也能享受该权利吗？ 说案例、讲法律，本期"说法"关注二手商品交易中的"七天无理由退货"。（金歆） ...