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应对遗传瓶颈 北京首次开展境外种群基因分析助力科学保护麋鹿
Huan Qiu Wang Zi Xun· 2025-08-24 07:34
来源:央视新闻客户端 麋鹿作为我国特有物种,经历了从繁盛到本土灭绝的沧桑历程。40年前的8月24日,22只麋鹿从英国重 回北京南海子,成为我国物种保护科学史上的重要事件。今年,我国首次对境外麋鹿种群开展DNA分 析,助力麋鹿科学管理和科学保护。 麋鹿起源于我国黄河、长江流域,经历了19世纪末期流落海外、本土灭绝,如今重回故里。今年,北京 麋鹿生态实验中心与英国乌邦寺进行合作,首次针对境外麋鹿种群开展基因分析。 北京麋鹿生态实验中心、麋鹿保护研究室副研究员 张庆勋:我们分离了26种麋鹿的益生菌,有了这些 益生菌的应用,将来能为调控麋鹿的肠道健康起到很好的作用。 据了解,麋鹿起源于距今约200万年到300万年的更新世早期,曾在我国广泛分布,后受到自然气候变化 和人类捕杀等因素影响,麋鹿数量迅速减少。1900年,麋鹿种群在中国本土灭绝,仅剩少量麋鹿散落在 国外。1985年8月24日,在我国实施的麋鹿重引进项目中,22只麋鹿从英国乌邦寺庄园出发,重新回到 了他们的故乡——北京南海子。 北京麋鹿生态实验中心、麋鹿保护研究室负责人 郭青云:我们其实是分批引进,从1985年首批引进了 22只麋鹿在北京,我们又在1986年和 ...
华为周跃峰:建设先进数据基础设施,从数据大国迈向数据强国
Huan Qiu Wang Zi Xun· 2025-08-24 05:48
Group 1 - The 2025 China Computing Power Conference was held in Datong, Shanxi, focusing on accelerating towards an intelligent world through advanced solutions in connectivity, computing, storage, and digital energy [1][6] - Huawei's Vice President Zhou Yuefeng emphasized the importance of data aggregation, circulation, and value release for cities, industries, and enterprises to transition from a data powerhouse to a data strong nation, seizing opportunities in the AI era [1][3] Group 2 - China has become a global data powerhouse with an annual data output exceeding 40ZB, but the effective data retention rate is only 2.8%, indicating a significant amount of data is discarded at the source [3][4] - The construction of advanced data infrastructure is crucial, with a focus on creating trusted data management centers and efficient data circulation to transform data resources into valuable assets [3][4] Group 3 - At the industry level, the establishment of high-quality industry-specific data repositories is essential for AI model effectiveness, encouraging leading enterprises to build collaborative data-sharing platforms [4][5] - For enterprises, the development of AI data lakes is necessary to facilitate collaboration among multiple intelligent agents, enhancing the precision and real-time knowledge of applications [5][6] Group 4 - Huawei proposed the RAS concept for AI data center construction, focusing on reliability, agility, and sustainability to address the challenges of increasing computing power demands [6] - The company aims to strengthen core competitiveness and industry ecology by showcasing collaborative development in computing, storage, and green energy supply [6]
马斯克“剧透”特斯拉FSD V14:“它很有感知力”
Huan Qiu Wang Zi Xun· 2025-08-24 05:34
Core Insights - Tesla CEO Elon Musk announced the upcoming release of the FSD system's V14 update, which is expected to be a significant advancement following the V12 release in November 2023 [1][2] - The FSD V14 update will reportedly feature ten times the parameter count of the current version and will significantly reduce driver interference [2] - Although FSD V14 is not the unsupervised FSD used in the Austin Robotaxi pilot project, it is anticipated to deliver substantial improvements [2] - Musk described FSD V14 as feeling "very perceptive," indicating that its launch could positively impact the industry landscape [2]
iOS 26或将为iPhone 16系列新增Qi 2.2 无线充电支持
Huan Qiu Wang Zi Xun· 2025-08-24 05:28
来源:环球网 【环球网科技综合报道】8月24日消息,据外媒MacRumors报道,苹果即将发布的 iOS 26 更新将为除 iPhone 16e 外的所有 iPhone 16 机型添加对Qi 2.2的支持。 Qi 2.2 支持已在最近的 iOS 26 测试版中添加到 iPhone 16 机型中,因此用户现在就可以进行测试。据 悉,iOS 26 预计将于 9 月发布。(思瀚) 外媒称,运行iOS 26 的 iPhone 16、iPhone 16 Plus、iPhone 16 Pro 和 iPhone 16 Pro Max 机型可使用任何 Qi 2.2 充电器进行无线充电,充电功率最高可达 25W。此前,这些设备只能使用最新版 MagSafe 充电 器实现 25W 无线充电,而第三方 Qi 充电器的充电功率最高也只有 15W。 据外媒介绍,贝尔金本周发布了三款全新的 Qi2 25W 充电支架,这三款新充电器均可在约 30 分钟内为 运行 iOS 26 系统的 iPhone 16 机型将电量从 0% 充至 50%,这与苹果宣传的其 25W MagSafe 充电器用 于 iPhone 16 机型时的充电时间相同。因此 ...
《农业无人机行业白皮书(2024/2025)》发布:全球保有量超50万架,累计减碳4258万吨
Huan Qiu Wang Zi Xun· 2025-08-24 01:54
来源:环球网 【环球网低空经济综合报道】8月23日上午,农民日报社与大疆农业在北京联合举办《农业无人机行业 白皮书(2024/2025)》(以下简称"《白皮书》")新闻发布会。作为双方首次联合推出的行业权威报 告,该《白皮书》全面梳理了全球农业无人机行业的发展趋势、技术创新与应用价值,为农业现代化转 型提供重要参考。 双方携手编撰本白皮书,旨在全面呈现农业无人机技术框架、多元应用场景与政策环境,为全球政府部 门、农业从业者及用户提供清晰指引、最佳实践与标准化参考,助力构建健康、可信、可持续的行业生 态。 据介绍,海外多国也积极推动政策松绑与标准统一。巴西民航局取消适航要求,降低农业无人机的使用 门槛、欧盟启用 ISO 23117-1 国际标准规范喷洒系统,葡萄牙率领 14 国推动无人机农药应用立法;美 国 FAA 将大疆农业机型纳入豁免清单,澳大利亚民航局发布指南明确私人土地作业的宽松管理政策。 这些变化不仅体现了全球对农业无人机价值的广泛认可,更为技术落地扫清了制度障碍。 《白皮书》结语强调:"农业无人机不仅是一种生产工具,更是中国从农业大国迈向农业强国的缩 影。"农民日报副总编辑詹新华在发布会尾声指出,白 ...
全红婵孙颖莎王楚钦带货土鸡蛋?用“AI盗声”牟利该担何责?
Huan Qiu Wang Zi Xun· 2025-08-24 01:54
Core Viewpoint - The misuse of AI voice cloning technology to impersonate Olympic champions for selling products on social media has raised significant concerns among the public and legal experts [1][3][5]. Group 1: Incident Overview - AI technology has been used to clone the voices of Olympic champions such as Quan Hongchan, Sun Yingsha, and Wang Chuqin to promote agricultural products on short video platforms [1][3]. - A specific case involved a self-media account that published 17 videos using AI to mimic Quan Hongchan's voice, achieving over 11,000 likes on one video, with 47,000 units of the promoted product sold [1][3]. Group 2: Legal Implications - The unauthorized use of AI to impersonate Olympic champions infringes on their rights, including name rights, voice rights, and portrait rights, as outlined in the Civil Code [6]. - If the impersonation leads to defamation or the sale of counterfeit products, the infringer may face civil liabilities, including compensation for damages and public apologies [6]. Group 3: Consumer Rights - Consumers misled by AI-generated content can file complaints with the broadcaster, platform, or merchant, and if unresolved, can escalate to consumer associations or legal action [7]. - Evidence such as video recordings of the purchasing process can aid consumers in claiming refunds or compensation, especially if they receive counterfeit products [7]. Group 4: Platform Responsibilities - Short video platforms must verify the identities of broadcasters and ensure they have authorization to use AI-generated content featuring celebrities [8]. - Platforms are required to implement mechanisms for quickly identifying and removing infringing content, and failure to do so may result in shared liability with the infringer [9].
多个关键领域实现突破 我国电磁发射技术呈跨越式发展态势
Huan Qiu Wang Zi Xun· 2025-08-23 10:46
论坛上,来自军地各界的专家学者围绕电磁发射总体、电磁发射材料交叉、电磁发射储能、电磁发射兵 器科学等十多个主题,阐释我国近年来在电磁发射技术领域取得的最新研究成果。120位专家学者进行 特邀报告,就当下电磁发射领域面临的瓶颈问题和关键技术进行交流与探讨。 来源:央视新闻客户端 海军工程大学 鲁军勇:我们科技工作者始终以国家重大战略需求为牵引,立足国情,在电磁发射技术 领域持续探索,在发射总体设计、脉冲储能、电能调节、直线推进等基础研究、关键技术和工程应用方 面取得重大进展。在高速轨道交通、民用航天发射、国防重大装备上具有重大应用前景。 这次论坛交流内容涵盖电气工程、材料、机械、力学、兵器、信息、控制等多学科交叉,为我国电磁发 射技术领域搭建技术和经验交流平台的同时,还促进了相关领域"产学研用"的深度融合。 记者从近日结束的第二届全国电磁发射技术论坛获悉,我国电磁发射技术发展取得显著进步,在多个关 键领域实现系统性突破,技术发展呈现出从"跟跑"到"并跑",再到部分领域取得"领跑"优势的跨越式发 展态势。 中国工程院院士、清华大学材料学院 南策文:我想这个论坛的举办,对很多学科都有促进作用,因为 它有很大的应用场 ...
Deepseek发布V3.1 为何火的却是官方留言?
Huan Qiu Wang Zi Xun· 2025-08-23 05:26
Core Viewpoint - DeepSeek has launched DeepSeek-V3.1, featuring comprehensive upgrades in mixed reasoning architecture, cognitive efficiency, and agent capabilities, with a notable focus on the UE8M0 FP8 technology designed for the next generation of domestic chips [1][3]. Company Insights - The announcement of UE8M0 FP8 technology has triggered a positive response in the capital market, with stocks of companies like Cambrian and Haiguang Information experiencing short-term increases [3]. - DeepSeek's introduction of UE8M0 FP8 technology signifies a strategic move into chip technology, reflecting the trend of software-defined hardware, where software stacks and algorithm optimization are crucial for enhancing hardware performance [5]. Industry Trends - The FP8 format is emerging as a new standard for AI training and inference, with major international players like NVIDIA and AMD also investing in this technology, indicating a potential shift in global technology direction [5]. - The FP8 technology optimizes data storage and transmission, significantly improving chip throughput and energy efficiency, thereby enhancing the competitiveness of domestic AI chips in both domestic and international markets [4][5]. - The balance between data precision and computational efficiency remains a core issue in the evolution of technology within the artificial intelligence and high-performance computing sectors [3].
eVTOL技术路线之争 复合翼与倾转旋翼引领低空经济竞逐
Huan Qiu Wang Zi Xun· 2025-08-23 05:07
来源:环球网 【环球网科技报道 记者 李文瑶】随着低空经济浪潮席卷全球,eVTOL(电动垂直起降飞行器)作为城 市空中交通系统的核心载体,正迎来关键技术路线的激烈竞逐。在多种构型中,复合翼与倾转旋翼已成 为最具代表性的两大技术方向,不仅同时亮相于多数主流厂商的产品线,也代表着当前eVTOL领域最 主要的设计与发展路径。 图:御风未来M1于上海成功首飞官方资料图 根据SMG Consulting发布的《全球eVTOL厂商先进空中交通现实指数》,截至2025年6月,在全球31家 重点整机企业中,复合翼构型占比约42%,倾转旋翼则以35%的份额紧随其后。尽管多旋翼等其他类型 同样存在,但由于复合翼与倾转旋翼在技术成熟度与应用潜力上的显著优势,它们已成为产业与资本关 注的焦点。 从国内制造商来看,复合翼背后是峰飞航空、沃兰特、御风未来、览翌航空、亿维特等多家企业;倾转 旋翼背后则是沃飞长空、时的科技、零重力、倍飞智航、华羽先翔等一众主机厂。 复合翼eVTOL采用"垂直起降与水平巡航两套系统独立工作"的设计理念。其最大优势在于系统分离所带 来的高可靠性与良好的气动效率。 在安全性方面,复合翼通过独立的升力系统与推进系统 ...
OpenAI首席执行官:AI时代,职场新人的黄金机遇期已至
Huan Qiu Wang Zi Xun· 2025-08-23 04:41
Core Viewpoint - The rise of artificial intelligence (AI) presents unprecedented challenges and opportunities for new entrants in the job market, as highlighted by OpenAI CEO Sam Altman, who describes this era as potentially the most exciting time to start a career [1][3]. Group 1: Impact of AI on the Job Market - AI is rapidly transforming the workplace ecosystem, creating new industries and job types while enhancing workers' ability to learn and acquire new skills [3]. - AI tools are becoming essential for young workers, particularly entrepreneurs, enabling them to accomplish tasks that previously required extensive experience or large teams [3]. - Despite concerns about job displacement, experts believe that technological advancements will lead to the creation of more new job opportunities [3]. Group 2: Efficiency and Challenges - Bill Gates supports the notion that AI will improve work efficiency, allowing individuals to focus on more valuable tasks by relieving them from mundane duties [3]. - A report from MIT indicates that while AI can enhance individual productivity, many companies face challenges in integrating AI into existing workflows due to a lack of redesign around AI's strengths [3]. - For new entrants in the workforce, navigating the opportunities and challenges presented by AI will be a crucial aspect of their career development [3].