Core Viewpoint - The 2025 Air Force Aviation Open Day and Changchun Airshow showcased the development and capabilities of the People's Air Force, highlighting its equipment system and growth trajectory [1][14]. Group 1: Air Force Equipment and Development - The event featured over a hundred types of active aircraft, ground equipment, and retired classic equipment, demonstrating the comprehensive strength of the People's Air Force [1]. - Military expert Wang Mingzhi emphasized the systematic display of the People's Air Force's equipment development and combat capability generation process, showcasing how the Air Force has grown and strengthened over time [3]. - The China Aviation Engine Group made its debut at the exhibition, presenting various star products, including large transport aircraft engines, reflecting the strength of China's aviation industry [5]. Group 2: Technological Advancements - The exhibition highlighted advancements in unmanned and intelligent aviation products, showcasing the development of autonomous technology and artificial intelligence, which will further promote the widespread use of drones [7]. - The event included a variety of unmanned aerial vehicles (UAVs), such as reconnaissance drones and advanced electronic reconnaissance UAVs, enhancing the Air Force's comprehensive operational capabilities [9]. Group 3: Flight Demonstrations - The five-day flight demonstrations featured impressive performances, showcasing the spirit and training level of the Air Force personnel, as well as the maturity of its equipment system [10]. - Various aircraft, including the Y-20A, J-16, J-20, and KJ-500, participated in coordinated flight displays, illustrating the Air Force's systematic capabilities and tactical training [12][14]. - The flight demonstrations incorporated tactical elements, presenting modular combat formations and emphasizing the Air Force's operational readiness for future battlefields [12][14]. Group 4: Aerospace Industry Growth - The event attracted over 70 domestic aerospace companies, showcasing new technologies and products, and highlighting the vitality of the aerospace industry in Changchun [15]. - The "Jilin-1" satellite, which has established the world's largest sub-meter level commercial remote sensing satellite constellation with 117 satellites in orbit, was a focal point, driving the development of related industries [15]. - A unique dual-wing vertical takeoff and landing fixed-wing drone was introduced, capable of operating in extreme conditions, and has been widely used in various sectors such as emergency firefighting and ecological protection [17].

"十四五"期间，吉林省践行"两山"理念，"生态＋农业"激活吉林沃土，"生态＋能源"探索低碳路径，"生态＋旅游"赋能绿水青山，以生态环境高水平保护支 撑高质量发展。 让我们从"吉林一号"卫星，一同见证吉林在 "十四五" 期间，如何在生态保护与修复上精准发力，统筹推进"山水林田湖草沙"一体化保护和系统治理，让绿 水青山成为吉林振兴发展的最美底色。 9月的吉林查干湖，烟波浩渺，芦苇摇曳，这幅生机盎然的画卷背后，是一场跨越世纪的生态修复行动。如今的查干湖，水域面积达到420平方千米，水质提 升至Ⅳ类，生态修复让当地的渔业资源实现快速增长，当地村民也吃上了"生态饭"。 通过卫星遥感影像能直观地见证"十四五"期间查干湖的生态之变：2020年，查干湖水域已与松花江相连，但此时的水利设施较为简单，整体置换水体需要10 年左右的时间。当地实施了以建设水利工程为核心的生态修复行动，建水渠、修管网、植芦苇……如今，查干湖已实现与松花江、嫩江的连通。一渠贯通南 北，三年时间就可将水体整体置换一次。 "十四五"期间，吉林省持续做好水生态治理，全省109个国家考核断面Ⅴ类及以下水体全部消除，水环境质量创历史最好水平。 生态优先，绿色发展 ...

央视网消息：品牌强农的故事仍在书写，生态兴农的篇章同样精彩。接下来，让我们搭乘"吉林一号"卫星，一同见证吉林在"十四五"期 间，如何在生态保护与修复上精准发力，统筹推进"山水林田湖草沙"一体化保护和系统治理，让绿水青山成为吉林振兴发展的最美底色。 "十四五"期间，吉林省践行"两山"理念，"生态＋农业"激活吉林沃土，"生态＋能源"探索低碳路径，"生态＋旅游"赋能绿水青山，以生态 环境高水平保护支撑高质量发展。 9月的吉林查干湖烟波浩渺、芦苇摇曳，这幅生机盎然的画卷背后是一场跨越世纪的生态修复行动。如今的查干湖，水域面积达到420平方 千米，水质提升至Ⅳ类，生态修复让当地的渔业资源实现快速增长，当地村民也吃上了"生态饭"。 我们通过卫星遥感影像能直观地见证"十四五"期间查干湖的生态之变：2020年，查干湖水域已与松花江相连，但此时的水利设施较为简 单，整体置换水体需要10年左右的时间。当地实施了以建设水利工程为核心的生态修复行动，建水渠、修管网、植芦苇……如今，查干湖已实 现与松花江、嫩江的连通。一渠贯通南北，三年时间就可将水体整体置换一次。 "十四五"期间，吉林省持续做好水生态治理，全省109个国家考核断面Ⅴ类 ...

央视网消息：党的十八大以来，习近平总书记始终牵挂吉林发展，多次对吉林工作作出重要指示。吉林牢记嘱托，"十四五"期间，牢牢把 握在维护国家"五大安全"中的重要使命，坚持把发展立足点放在高质量发展上，完整准确全面贯彻新发展理念，积极服务和融入新发展格局， 进一步全面深化改革开放，抓住机遇、乘势而上，勇于创新、苦干实干，在中国式现代化建设中展现更大作为。 瞰见这五年 白山松水新答卷 接下来，我们一起走进"五色吉林"，沉浸式感受这五年白山松水间的蓬勃发展。 "蓝色吉林"开拓进取。"吉林一号"卫星刺破苍穹，氢能列车领跑前沿，从"共和国工业摇篮"华丽转身为"创新策源地"。吉林向海图强，珲 春口岸，全国七成帝王蟹在此跃入国门，跨境电商如丝路新桥飞架，助力"一带一路"北翼展翅高飞！ "金色吉林" 物阜民丰。连年800多亿斤的粮食丰碑，让"中国饭碗"盛满"吉林好粮"！《黑土地保护条例》如金盾守护"耕地中的大熊猫"， 昔日盐碱地嬗变为新粮仓，乡村振兴的金色画卷在吉祥大地壮丽铺展。 "红色吉林" 血脉相传。三地淬炼英雄肝胆，三摇篮滋养盛世华章。吉林，以红色基因铸就精神脊梁，用民族团结凝聚磅礴伟力！ "银色吉林" 独具魅力。68座滑 ...

9日4日 记者从长光卫星获得 125 22 E CERE NO 6 . g minutuu HUTTELL ATHE MATCHINE COLLECT IN BOOK IN BOOK OF the programs . PM PRODUCTION the may mmmmmm B2R HARTS ck (3) . 2017 000 00 11 1 e " " " " SHE BOY BO" BA" In " 12 1 nminums ir 10 17 10 1 - BO RESERT - 164-80 The Career HILL (光明日报) "吉林一号"卫星发回的九三阅兵图片 一起来看 卫星视角下的祖国骄傲吧！ ...

21世纪经济报道记者胡慧茵 长春报道 在长春，一家名为长光卫星技术股份有限公司（下文简称长光卫星）的企业正引领着全球商业遥感卫星 的新纪元。 8月28日，21世纪经济报道记者等媒体走进长光卫星，感受到吉林卫星产业的加速发展。 "它的名字叫吉林一号宽幅星，从名字就可以看出这一代卫星比传统的四代技术卫星拍的图像幅宽更 宽。"长光卫星相关负责人向21世纪经济报道记者等媒体表示，"吉林一号"宽幅01B星是目前国际上幅宽 最大的亚米级光学遥感卫星，其幅宽大于150公里，具备高分辨率。他举例称，这相当于90%以上的城 市或特大城市，只需要一秒就可以以高清的形式拍摄覆盖下来。 长光卫星是中国首家集卫星研发制造、运营管理和遥感信息服务于一体的全产业链商业遥感卫星公司。 2015年10月，长光卫星自主研制的"吉林一号"星座首组四颗卫星成功发射，创造国内多项第一，拉开了 中国的商业航天大幕。 据记者了解，由长光卫星自主研制的"吉林一号"卫星，已经取得显著进展，目前已有117颗卫星在轨， 成为全球最大的亚米级商业遥感卫星网络。而且，"吉林一号"卫星遥感信息已为农林、水利、环保、交 通、金融、自然资源、城市建设等14个领域开展150 ...

Group 1 - The article emphasizes the importance of remembering and honoring historical figures, particularly General Yang Jingyu, as a means of fostering national spirit and identity [1][2] - The commitment of individuals like Xu Zhenming and his son to guard the cemetery reflects a deep-rooted cultural value of sacrifice and dedication to the nation [2][3] - The narrative highlights the ongoing efforts in Northeast China to revitalize the region, showcasing a blend of historical reverence and modern development initiatives [3][4] Group 2 - The article discusses the challenges faced by Northeast China, including the need for structural adjustments in its economy and the optimization of institutional mechanisms [3] - It notes the return of young innovators to their hometowns, contributing to a collective effort towards regional revitalization and economic growth [3][4] - The metaphor of planting trees is used to illustrate the long-term vision and commitment required for sustainable development in the region [4]

Core Points - The 15th China-Northeast Asia Expo will be held from August 27 to 31, 2025, in Changchun, Jilin Province, with the theme "Join Hands in Northeast Asia, Open Up for a Future" [3][4] - The expo aims to enhance international cooperation, trade investment, and cultural exchanges among Northeast Asian countries, leveraging the region's geographical and cultural advantages [3][4] - Trade cooperation between China and the five Northeast Asian countries reached $901.6 billion in 2024, a year-on-year increase of 1.6%, accounting for nearly 15% of China's total foreign trade [3][4] - Bilateral investment exceeded $7 billion in 2024, expanding into emerging sectors such as digital economy and green development [4] - The expo will feature a modern industrial pavilion to showcase the transformation of traditional industries in Jilin into a modern industrial system [17][18] Group 1: Expo Overview - The expo will focus on creating new platforms for industrial cooperation, expanding trade and investment, and enhancing cultural exchanges [3][4] - It marks the 20th anniversary of the China-Northeast Asia Expo, which has played a significant role in promoting friendly exchanges and practical cooperation [4][6] - The event will be held at the newly established Northeast Asia International Expo Center, featuring advanced facilities and a beautiful environment [7][8] Group 2: Economic Cooperation - Trade cooperation has shown steady progress, with China maintaining its position as the largest trading partner for Northeast Asian countries [3][4] - Investment cooperation is deepening, with a focus on high-level opening-up and providing broader opportunities for enterprises [4][11] - Regional cooperation mechanisms, such as the China-Mongolia-Russia Economic Corridor and the Regional Comprehensive Economic Partnership, are being actively implemented [4][11] Group 3: Strategic Initiatives - The expo will emphasize policy communication, development integration, supply chain cooperation, cultural exchanges, and consumption stimulation [16][17] - A series of thematic activities will be organized, including the Northeast Asia Local Cooperation Roundtable and various industry-specific forums [16][17] - The expo aims to attract over 30 countries and regions, enhancing trade and investment opportunities [16][17] Group 4: Investment Promotion - Jilin Province is implementing comprehensive reforms in investment promotion, focusing on building a robust investment network and enhancing service guarantees [23][24] - The province aims to create a favorable environment for investment by improving resource efficiency and providing lifecycle services for projects [24] - The expo will serve as a key platform for investment cooperation, emphasizing precision in investment strategies and project matching [24][25]

Core Insights - The "Jilin-1" satellite constellation has reached a significant scale, with plans to deploy 300 satellites by the end of 2027, achieving global coverage capabilities [1] - The "Jilin-1" satellite, developed by Changguang Satellite Technology Co., has reduced its weight from 400 kg to 20 kg, establishing a production line capable of manufacturing 200 remote sensing satellites and 200 communication satellites annually [1] - As of now, 140 satellites have been successfully launched, with 117 currently operational, making it the largest sub-meter commercial remote sensing satellite constellation globally [1] Group 1 - The first four satellites of the "Jilin-1" constellation were launched on October 7, 2015, marking the beginning of China's commercial space industry [1] - In September 2024, the company will release the world's first high-definition global annual image, created from 1.2 million selected images out of 6.9 million, covering an area of 130 million square kilometers with leading international standards in resolution and accuracy [3] - The "Jilin-1" remote sensing information has provided precise services across 14 sectors, including agriculture, forestry, water resources, and urban construction, serving over 170 countries and regions [4] Group 2 - Changguang Satellite has established multiple satellite production lines and set a record for the most satellites launched in a single mission, with 41 satellites launched on June 15, 2023 [6] - The company successfully conducted China's first high-speed laser communication test between a satellite and ground station, achieving 100 Gbps data transmission [6] - Future plans include continued investment in the "Jilin-1" satellite constellation and the development of high-resolution optical remote sensing satellites, aiming to create a comprehensive industry cluster from satellite development to data processing and application [6]

Group 1 - CRRC Changchun Railway Vehicles Co., Ltd. is a key player in China's metro, high-speed trains, and maglev train manufacturing, having collaborated with Hong Kong MTR since 2008, providing over 400 metro trains for various lines [1] - The company showcased its superconducting electric high-speed maglev train, which can achieve a maximum design speed of 600 kilometers per hour, demonstrating advanced manufacturing capabilities [1] - The visit by Hong Kong youth to CRRC Changchun highlighted the rapid development and high level of China's manufacturing industry [1] Group 2 - Changguang Satellite Technology Co., Ltd. operates over 100 "Jilin-1" satellites, forming the world's largest sub-meter level commercial remote sensing satellite constellation [2] - The exhibition featured models of "Jilin-1" satellites, showcasing China's strength in aerospace technology [2] - The ongoing activities for Hong Kong youth will include visits to various industries in Jilin City and Yanbian Prefecture, focusing on automotive, hydropower industries, and cultural aspects [2]