清晨6点，黑龙江哈尔滨站的站台上，动车组列车准点发车，驶向齐齐哈尔。 列车行驶在哈齐高铁线上。 原 勇摄（新华社发） 8月17日，我国最北高寒高铁哈齐高铁迎来开通运营10年。10年间，哈齐高铁累计安全运行超8189万公 里，运送旅客超1亿人次。 2015年开通运营的哈齐高铁，覆盖黑龙江省半数人口、六成经济总量，将哈尔滨至齐齐哈尔的旅程从5 小时压缩至1小时24分。从初期每日20对动车组，加密至54对。 "在哈尔滨品西餐，在大庆吃坑烤，到齐齐哈尔直奔烤肉店。"北京游客陈宇星展示着社交媒体推荐 的"高铁美食地图"。哈齐高铁不仅拉近了时空距离，更激活了沿线冰雕雪塑、石油研学等特色资源，促 进了人才流动与产业融合。 在冬季平均气温低至零下30摄氏度的极寒环境中，列车如何以250公里时速行驶？破冰前行，离不开科 技护航。 清晨，齐齐哈尔供电段工长申宇航登上综合检测车"试跑"全线。"车上搭载的供电安全检测监测系统， 每秒能拍下17张高清照片。"申宇航调出一组标记着"极寒天气"的组图介绍，"接触网上微小的冰凌、螺 丝的细微位移，都逃不过它的'眼睛'。红外探伤像B超一样，精准发现因极寒产生的细微隐患。"这些冬 季积累的"病例 ...

Core Insights - The Harbin-Qiqihar High-Speed Railway (Haqi High-Speed Railway) has been operational for 10 years, covering over 81.89 million kilometers and transporting over 100 million passengers [1][2] - The railway significantly reduces travel time from Harbin to Qiqihar from 5 hours to 1 hour and 24 minutes, increasing the number of daily train pairs from 20 to 54 [1] - The railway enhances regional connectivity, promoting tourism and local industries, while also facilitating talent mobility and industrial integration [1] Technological Advancements - Advanced technology plays a crucial role in ensuring the safe operation of trains at speeds of 250 km/h in extreme cold conditions, with average winter temperatures dropping to -30 degrees Celsius [1] - The power supply detection system on the trains captures 17 high-definition images per second, identifying potential hazards caused by extreme cold [1] - A monitoring system with hundreds of high-speed cameras analyzes images to detect ice formation and potential freezing of components, enabling precise snow removal strategies [2]

Group 1: Satellite Launches - China successfully launched the experimental satellite Tianyan 28 B02 using the Long March 4B rocket on August 17, 2023, for space environment detection and related technology tests [1] - On the same day, China launched the low Earth orbit satellite internet group 09 using the Long March 6 modified rocket, which also successfully entered its designated orbit [2] Group 2: Aviation Industry - The second aircraft of the AG600 amphibious plane, developed independently by China, successfully completed its first production test flight, indicating it meets design requirements and is ready for delivery [5] Group 3: Cold Chain Logistics - In the first half of 2023, China's total demand for food cold chain logistics reached 192 million tons, a year-on-year increase of 4.35%, with total revenue for cold chain service enterprises amounting to 279.94 billion yuan, up 3.84% [6] - The sales of new energy refrigerated trucks surged by 119.61% year-on-year, contributing to the overall growth of refrigerated truck sales, which reached 29,474 units, a growth of 18.19% [9] Group 4: Transportation Milestones - The Harbin-Qiqihar high-speed railway celebrated its 10th anniversary, having safely operated 81.89 million kilometers and transported over 100 million passengers [10] - The new passenger inspection area at the Hengqin Port marked its fifth anniversary, with over 75.64 million passengers and more than 8.95 million vehicles processed, reflecting annual growth rates of 55.6% and 43.3% respectively [13] - The "Little Three Links" passenger route between Xiamen and Kinmen achieved a record high of 7,000 passengers in a single day since resuming operations in 2023, driven by increased tourism demand [14]

Core Insights - The Harbin-Qiqihar High-Speed Railway (Haqi High-Speed Railway) has significantly improved travel efficiency and convenience over the past decade, reducing travel time between Harbin and Qiqihar from 5 hours to 1 hour and 24 minutes [1][2] - The railway has transported over 100 million passengers and has increased the number of train pairs from 20 to 54, achieving a frequency of trains every 6 minutes [1][2] Group 1 - The Haqi High-Speed Railway has operated safely for 81.89 million kilometers, providing valuable experience for high-altitude and cold-weather railway operations in China [2] - The railway has stimulated the development of various industries along its route, promoting regional economic integration and enhancing tourism, such as wetland tourism in Daqing and new travel trends like "high-speed day trips" [2] - The railway has facilitated the free flow of talent, capital, and technology among cities along the route, contributing to the prosperity of the Harbin-Daqing-Qiqihar industrial corridor [2] Group 2 - The Harbin Railway Bureau Group has implemented 51 cold-resistant modifications to the train systems and developed various technological solutions for real-time monitoring of train operations in extreme weather conditions [1]