来源：人民日报海外版 作者：李 婕 2025年外汇市场交易量达到42.6万亿美元，企业外汇套期保值比率升至30%；2025年9月末，我国对外 资产和负债分别达到11.5万亿和7.5万亿美元……过去这一年，中国外汇市场创下一个个历史新高。 国家外汇管理局新闻发言人、副局长李斌近日在新闻发布会上表示，2025年，面对更加严峻复杂的外部 环境，外汇市场保持平稳运行。下一步，将深化拓展外汇领域改革开放，努力营造既"放得活"又"管得 好"的外汇政策环境，为"十五五"开好局、起好步贡献力量。 服务实体经济质效提升 一组组数据，勾勒出2025年外汇市场运行情况。 2025年企业、个人等跨境收入和支出总计15.6万亿美元，较2024年增长近10%。跨境资金由年初的净流 出转为净流入，全年净流入3021亿美元，银行结售汇顺差1966亿美元。 与此同时，外汇管理服务实体经济质效明显提升。围绕支持外贸稳定发展、深化跨境投资和融资改革、 支持自贸试验区建设3项重点工作，先后出台3个"一揽子"政策共计28项措施。去年四季度这些政策陆续 落地实施以来，全国办理相关便利化业务超2200亿美元。 李斌介绍，国家外汇局扎实推进银行外汇展业改革 ...

铁路12306平台于1月19日同步推出旅客误购限时免费退票服务。1月19日起，旅客通过铁路12306平台 (含网站、APP等)购买乘车日期为2月2日及以后，列车类型为境内旅客列车、始发或终到站为香港西九 龙的跨境旅客列车火车票时，如误购车票，在购票支付成功30分钟内且在开车前4小时以上，购票人可 线上自助办理退票，不收取退票费。 据介绍，现行的火车票退票费规定为，开车前8天(含)以上退票的，不收取退票费；票面乘车站开车时 间前48小时以上的按票价5%核收退票费，票面乘车站开车时间前24小时以上、不足48小时的按票价 10%核收退票费，票面乘车站开车时间前不足24小时的按票价20%核收退票费。跨境火车票退票费核收 执行跨境运输相关协定。 购票人如使用电子支付购票，票款将按原渠道退还；如使用积分购票，将按原渠道返还积分，返还积分 的有效期不变；同一购票人在一个自然日内限办1个订单误购免费退票业务，改签车票、预约或候补购 票等不办理此业务。在规定免费退票时间内办理退票的，不占用误购免费退票次数。 (责任编辑：王擎宇) 记者从中国国家铁路集团有限公司获悉：2026年铁路春运自2月2日开始，至3月13日结束，为期40天 ...

Core Insights - In 2025, Zhejiang Yiwu's foreign trade imports and exports are projected to exceed 800 billion yuan, reaching 836.5 billion yuan, marking a historical high [1] - Imports are expected to reach 105.8 billion yuan, representing a year-on-year growth of 32.3%, crossing the 100 billion yuan milestone [1] Trade and Commerce - Yiwu International Trade City hosts nearly 80,000 business units, offering over 2.1 million types of products, and engages in trade with 233 countries and regions globally [1] - The opening of Yiwu (Suxi) International Hub Port and the official launch of the Yiwu Global Digital Trade Center have expanded Yiwu's open channels and accelerated the cultivation of a digital trade ecosystem [1] E-commerce Growth - In 2025, the number of cross-border e-commerce import orders in Yiwu is expected to surpass 10 million, setting a new historical record [1]

据新华社太原电（记者王劲玉）近日，山西省运城至景阳220千伏线路带电运行，至此，山西电网16项 迎峰度冬重点电网工程全部投运，提升供电能力约300万千瓦。 据悉，16项迎峰度冬重点电网工程让山西电网的保供能力进一步提升。太原北500千伏主变扩建工程新 增的两台100万千伏安变压器并网运行，有力提升太原北部地区供电能力；运城至景阳220千伏线路工程 投运，进一步改善运城西部主网架结构，增强区域供电可靠性。16项工程总投资超10亿元，涉及山西省 10个地市。 ...

2025年，南水北调工程综合效益充分发挥，超额完成年度调水任务。中线口门供水量62.61亿立方米， 保障了沿线1.18亿人饮水安全；东线山东干线口门供水量13.22亿立方米，已达设计供水规模；东线北延 应急供水工程向津冀供水超2.9亿立方米。南水北调"天河"大模型部署应用，数字孪生中线2.0完成构 建，东线数字孪生水网先行先试系统、数字孪生引江补汉智能建造系统上线运行。 本报北京1月18日电（记者王浩）记者从中国南水北调集团有限公司获悉，"十四五"时期，南水北调东 中线一期工程安全平稳运行，向北方新增调水量超450亿立方米，新增服务人口超5200万人。工程全面 通水以来，累计向北方调水超850亿立方米，为7省市48座大中城市1.95亿人提供稳定优质水源，有力推 动华北地区地下水超采综合治理和河湖生态环境复苏。 据介绍，接下来，中国南水北调集团将积极主动推进后续工程规划建设，同时积极参与国家水网建设， 加快推进柴达木盆地水资源配置一期工程和青海水网建设，高效运营辽阳灌区、淠史杭灌区等项目。 ...

今天可购买2月2日火车票。购票日历，转存！ 2026年铁路春运自2月2日开始，至3月13日结束，为期40天。 ...

Group 1: Down Jacket Market Insights - The upcoming "Great Cold" solar term has led to a surge in down jacket sales, with consumer concerns raised over a brand's jacket priced over 2000 yuan containing only 86 grams of down filling [1] - Experts emphasize the importance of checking down content and avoiding misleading marketing practices by manufacturers [2][4] Group 2: Down Jacket Quality Standards - The new national standard GB/T 14272—2021 specifies that only four types of natural down are allowed as filling: white goose down, gray goose down, white duck down, and gray duck down [2] - A qualified down jacket must have a down content of at least 50%, with recommendations to choose jackets with a down content of 80% or higher for better insulation [2] - Recommended filling weights vary: short jackets should have 120-300 grams, long jackets 200-420 grams, with an additional 20%-30% for extremely cold regions [2] Group 3: Down Jacket Selection Tips - Consumers can verify down jacket quality through tactile tests: pressing for rebound speed, checking for down leakage, and feeling for softness of the down [4] - Important to check the care label for compliance with GB/T 14272—2021 and ensure clear labeling of filling type and content [4] Group 4: Thermal Underwear Insights - The concept of "self-heating" thermal underwear is debunked; actual warmth comes from materials that retain heat [6] - Three main principles of thermal underwear include static insulation, dynamic heat retention, and reflective insulation [6] Group 5: Thermal Underwear Material Considerations - Consumers should prioritize materials like cashmere, wool, and acrylic for warmth, while also considering moisture-wicking properties [7] - Recommended standards for thermal underwear include GB 18401—2010 for safety and FZ/T 73022—2019 for thermal efficiency [7] Group 6: Insulated Cup Material Standards - Insulated cups are primarily made from various grades of stainless steel, with 304 being the most common food-grade material [9] - 201 stainless steel is less suitable for food contact due to higher manganese content, posing health risks [9] - Higher grades like 316 and 316L offer better corrosion resistance but at a higher cost [9] Group 7: Insulated Cup Selection Guidelines - Consumers should choose insulated cups that meet GB 4806.9—2023 standards and check for smooth, scratch-free interiors to ensure safety and longevity [10] - Recommendations include avoiding prolonged storage of acidic beverages in stainless steel cups and using gentle cleaning methods [10]

Core Viewpoint - The article highlights the significant advancements in China's high-performance carbon fiber production, particularly the successful development and mass production of T1000 carbon fiber, which is crucial for various high-tech applications, marking a major step towards achieving self-sufficiency in this critical material [1][7]. Group 1: Development Journey - In January, a new production line for T1000 high-performance carbon fiber began operations in Shanxi, producing 200 tons annually, showcasing China's progress in carbon fiber technology [1]. - The journey to mass production of T300 aerospace-grade carbon fiber began in 2005, with a challenging three-year timeline set by the Chinese Academy of Sciences, contrasting with Japan's 15-year development period [2][3]. - The team at Shanxi Coal Chemical Research Institute opted for an intermittent polymerization method instead of the traditional continuous method, allowing for more flexibility in production despite the complexity [3]. Group 2: Collaborative Efforts - The successful development of T300 involved collaboration among various research institutes and organizations, including the Chemical Research Institute and the Shanghai Organic Chemistry Research Institute, which contributed to the formulation of necessary materials [3][10]. - In 2022, a partnership was formed between the local government, Shanxi Huayang Group, and Shanxi Coal Chemical Research Institute to establish a high-performance carbon fiber production base in Datong, emphasizing the importance of collaboration between academia and industry [10][11]. Group 3: Technological Challenges - The production of T1000 carbon fiber involves a complex dry-jet wet-spinning process, which is critical for achieving the desired material properties, but poses significant engineering challenges due to the sensitivity of the process to environmental factors [8][9]. - The transition from laboratory-scale production to industrial-scale manufacturing presented numerous challenges, including equipment adjustments and maintaining precise control over production parameters [12][13]. Group 4: Future Outlook - The successful mass production of T1000 is expected to position China as a key player in the high-performance carbon fiber market, providing essential materials for strategic emerging industries [13]. - The ongoing efforts to enhance production capabilities and develop next-generation carbon fiber products indicate a commitment to advancing the industry and achieving greater self-reliance in high-tech materials [14].

严苛的性能要求，对飞行器的气动布局提出了极高要求。传统的研发方案，主要依靠实物风洞试验。但 实物风洞试验耗时长、投入高。为此，团队尝试走一条"无风洞试验"的数字化快速研发创新路径。 1月11日，"天马—1000"无人运输机顺利完成首次飞行试验，各项飞行数据表现良好，不少网友亲切地 称呼它为智能"空中货拉拉"。 "天马—1000"是我们自主研发的中空低成本运输平台，具备出色的综合性能：最大载重达1吨；最大航 程1800公里，应急运输实现半日达；5分钟即可完成吨级物资装卸，且具备智能航路规划与自主避障能 力。 研制之初，我们希望"天马—1000"能从根本上解决特殊地域物资运输"进不去、运不起、供不上"的困 境，在面对偏远地区补给、应急救援、紧急物资调运等场景时，能够实现单架次、规模化运送数日所需 的食品、药品、设备等物资。这要求"天马—1000"具有强适应性，滑跑起降距离越短越好，并具备全地 形、全天候的环境适应能力。 基于这个目标，我带领团队依托高精度气动计算、飞行力学仿真、结构优化设计与控制率迭代技术，构 建起全流程数字化研发体系。首飞试验证明，仿真数据与实飞数据高度吻合。 从技术攻关到产品落地，我和团队成员 ...

Core Viewpoint - Recent adverse weather conditions, including rain and snow, have prompted multiple departments in Shandong and Anhui to implement coordinated measures to ensure market supply and stabilize prices for essential goods [1] Group 1 - Various departments are collaborating to manage the supply chain effectively in response to the weather challenges [1] - Cross-regional transportation and real-time tracking are being utilized to enhance the distribution of essential goods [1] - Measures have been taken to improve vegetable reserves to ensure sufficient supply for the public [1]