CR450高铁

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交通强国建设全面提速 为高质量发展提供有力支撑
Yang Shi Wang· 2025-09-22 09:29
这一个个精彩的瞬间,绘就了"十四五"收官之年交通强国建设的壮丽画卷。"十四五"规划纲要明确提出,到2025年,我国综合交通运 输基本实现一体化融合发展,综合能力、服务品质、运行效率和整体效益显著提升,交通运输发展向世界一流水平迈进。过去五 年,我国"6轴7廊8通道"国家综合立体交通网主骨架已经基本贯通,连接了全国超过80%的县级行政区、服务全国90%左右的经济和 人口总量,有力保障了国民经济循环和人民群众便捷出行。 如何从交通大国迈向交通强国?党的十八大以来,以习近平同志为核心的党中央从全局和战略高度作出一系列重大部署。从党的十 九大作出建设交通强国的重大战略部署,到党的二十大提出"加快建设交通强国",我国着力构建现代化高质量国家综合立体交通体 系。 "十四五"以来,总书记在国内考察期间,多次就交通强国建设作出重要指示批示。2023年9月,习近平总书记向全球可持续交通高峰 论坛致贺信指出,中国正在加快建设交通强国,将继续坚持与世界相交、与时代相通,以自身发展为世界提供新机遇。 央视网消息(新闻联播):习近平总书记指出:"建设安全、便捷、高效、绿色、经济、包容、韧性的可持续交通体系,是支撑服务 经济社会高质量发 ...
中国连续15年制造业全球领跑,规模优势创新升级共推高质量发展
Sou Hu Cai Jing· 2025-07-12 02:50
Core Insights - China has maintained its position as the world's largest manufacturing country for 15 consecutive years, driven by scale advantages and innovation upgrades [1][14] Key Data and Global Position - Manufacturing value added is expected to exceed 40.5 trillion yuan in 2024, accounting for approximately 30% of global manufacturing, surpassing the combined totals of the US, Japan, and Germany [1][3] - China leads the world in the production of over 220 major industrial products, including photovoltaic components, new energy vehicles, ships, and construction machinery [1][3] Export Contributions - In 2024, China's total goods exports are projected to reach 6.16 trillion USD, maintaining the top position globally for seven years, with 50% of global steel, 60% of home appliances, and 80% of air conditioners relying on Chinese supply [3] Comprehensive Industrial Chain Advantage - China possesses the most complete industrial system globally, covering 41 major industrial categories and 666 subcategories, with a supply chain self-sufficiency rate exceeding 90% [3][4] Industrial Upgrades and Technological Breakthroughs - High-end manufacturing has achieved significant autonomy, with breakthroughs in key technologies such as the domestically produced electromagnetic catapult aircraft carrier Fujian, C919 aircraft, CR450 high-speed trains, and deep-sea exploration equipment [4][7] - In 2024, the production of new energy vehicles is expected to exceed 13 million units, accounting for 60% of global output, while photovoltaic components will hold an 80% global market share [4] Digital Transformation - China has established the world's largest 5G network with over 4 million base stations and more than 900 million devices connected to the industrial internet; "lighthouse factories" have reached 79, representing 41% of the global total, with an average productivity increase of 34.8% [5] Key Support Factors - Research and development expenditure intensity has risen to 2.68%, nearing OECD levels, with over 460,000 high-tech enterprises, and China holds 26 seats in the global top 100 innovation clusters [7][8] Domestic Demand and Global Layout - Domestic demand contributes 86.4% to economic growth, supported by over 400 million middle-income groups driving consumption upgrades [9] - The export share to Belt and Road countries has increased to 50%, with a semiconductor self-sufficiency rate exceeding 70% [9] Challenges and Future Directions - There is a regional imbalance, with 80% of advanced manufacturing clusters concentrated in the eastern regions, while the central and western regions are gradually rising through new materials [10] - The innovation conversion rate remains low, with less than 10% of university patents being industrialized, indicating a need for improved collaboration between academia and industry [11] Strategic Pathways - Emphasis on technological self-reliance, focusing on quantum computing, biomanufacturing, and deep-sea technology, with a goal to increase the global manufacturing share to 45% by 2030 [12] - A green transition is underway, with a cumulative reduction of 11.6% in energy consumption per unit of GDP over four years, and renewable energy installations exceeding 2.09 billion kilowatts [13] Conclusion - The sustained leadership of China's manufacturing sector is a reflection of both scale effects and innovation-driven transformation, transitioning from "scale expansion" to "quality leap" through technological breakthroughs, green integration, and open cooperation [14]
1小时到武汉,沪渝蓉高铁武宜段开启动态验收
Chang Jiang Ri Bao· 2025-05-15 07:43
Core Points - The launch of the first testing train 55103 marks the start of comprehensive testing for the Wuhan to Yichang section of the Shanghai-Chongqing-Rongcheng High-Speed Railway (referred to as "Wuhan-Yichang High-Speed Railway") [1] - The Wuhan-Yichang High-Speed Railway spans 313 kilometers with a design speed of 350 km/h, featuring 88 new bridges and 25 tunnels, with bridges and tunnels accounting for 85% of the total length [3] - The project began construction in September 2021 and is expected to complete track laying by January 2025, followed by a static acceptance phase in April 2025 [3] Group 1 - The comprehensive testing phase includes dynamic acceptance, covering joint debugging, dynamic testing, and operational trials [5] - The China Railway Wuhan Group and construction units will conduct daily adjustments on the "four electrical" systems, ensuring smooth testing [5] - The Wuhan-Yichang High-Speed Railway will significantly reduce travel time from 2 hours to approximately 1 hour, enhancing connectivity for cities along the route [7] Group 2 - After the dynamic acceptance is completed, the world's fastest high-speed train CR450 will conduct operational assessment tests on this line [7] - The railway will connect with the ongoing Yichang to Xingshan high-speed railway and the Zheng-Chongqing high-speed railway, further reducing travel time from Wuhan to Chongqing to around 4 hours [7]