摄影：张曼 ◎科技日报记者 付毅飞 记者从中国航天科技集团获悉，11月21日18时55分，长征三号乙运载火箭在西昌卫星发射中心点火起飞，随后将通信技术试验卫星二十一号精准送入预定 轨道，发射任务取得圆满成功。 通信技术试验卫星二十一号由中国航天科技集团八院抓总研制，主要用于卫星通信、广播电视、数据传输等业务，并开展相关技术试验验证。 长征三号乙运载火箭由中国航天科技集团一院抓总研制。 本次任务是长征系列运载火箭第609次发射。 来源：科技日报 文中图片来自我们的太空 ...

Core Points - China successfully launched the Communication Technology Test Satellite No. 21 on November 21, 2023, at 18:55 Beijing time using the Long March 3B rocket [1][3] - The satellite is primarily designed for satellite communication, broadcasting, television, and data transmission, and will conduct related technical experiments and validations [1] Group 1 - The launch took place at the Xichang Satellite Launch Center, marking a successful mission for the satellite [1][3] - The Long March 3B rocket, developed by China Aerospace Science and Technology Corporation, is part of the Long March 3A series and is recognized as a "gold medal rocket" [3] - This mission is the 13th launch of the Long March 3A series in 2023 and the 609th flight of the Long March series overall [3]

（总台央视记者 刘常连 杨弘杨 刘鑫蕊 刘佳 杨熙） 此次任务是长征系列运载火箭的第609次飞行。 北京时间2025年11月21日18时55分，我国在西昌卫星发射中心使用长征三号乙运载火箭，成功将通信技术试验卫星二十一号发射升空，卫星顺利进入预定轨 道，发射任务获得圆满成功。该卫星主要用于卫星通信、广播电视、数据传输等业务，并开展相关技术试验验证。 115 NY 471 fil Hai L = H g 77 ww HHV :A in . 734 x 8 30 El 184566 HI HAH HILLS like E F HIFF II 4 24 TTNS ...

（原标题：长三乙火箭成功发射通信技术试验卫星二十一号） 人民财讯11月21日电，据中国航天科技集团，11月21日18时55分，长征三号乙运载火箭在西昌卫星发射 中心点火起飞，随后将通信技术试验卫星二十一号精准送入预定轨道，发射任务取得圆满成功。该卫星 主要用于卫星通信、广播电视、数据传输等业务，并开展相关技术试验验证。 ...

Group 1 - The "Orion" spacecraft for NASA's Artemis 2 mission has successfully docked with the Space Launch System rocket, marking a significant step towards the first crewed deep space flight in over half a century [2] - China successfully launched the Gaofen-14 02 satellite, which will provide high-precision imagery and geographic information for national economic and defense projects, including the Belt and Road Initiative [2] - A breakthrough in the field of photoresists has been achieved by a research team at Peking University, which has developed a method to significantly reduce defects in photoresists through advanced imaging techniques [2] - The ChuanTou Luzhou natural gas power generation project has completed the commissioning of its two units, with a total capacity of 1400 MW, expected to save 348,100 tons of standard coal and reduce CO2 emissions by 912,000 tons annually [2]

Group 1: Important Market News - China and the U.S. reached a preliminary consensus on several key economic and trade issues during discussions held in Kuala Lumpur on October 25-26, 2023 [1] Group 2: Industry Insights - China's commercial aerospace sector is experiencing a surge in satellite launches, with the successful launch of the Gaofen-14 02 satellite on October 26, 2025, marking the 603rd flight of the Long March series rockets. The satellite will provide high-precision geospatial information for national economic development [2] - The commercial aerospace market in China is projected to grow from 9.2 billion yuan in 2020 to 310 billion yuan by 2024, with a compound annual growth rate exceeding 100%, significantly outpacing global growth [2] - IBM has successfully run its quantum error correction algorithm on AMD's commercial FPGA module, achieving speeds approximately 10 times faster than required for real-time error correction. This breakthrough reduces reliance on expensive custom hardware [3] - The quantum computing industry is expected to reach a market size of hundreds of billions of dollars between 2025 and 2030, driven by technological advancements, policy support, and market demand [3] - A research team from Peking University has utilized cryo-electron tomography to analyze the micro-3D structure of photoresist molecules in liquid environments, leading to a significant reduction in lithography defects. This advancement addresses a critical bottleneck in the semiconductor manufacturing process [4] - The research achieved a resolution better than 5 nanometers, overcoming traditional limitations in observing photoresist behavior [4] Group 3: Company Updates - Yirui Technology announced that its shareholder, Shanghai Yiyuan He Rui Investment Consulting Co., Ltd., plans to reduce its stake by up to 3.24 million shares, representing 1.53% of the total share capital, through block trading from November 17, 2025, to February 16, 2026 [6] - Bixing Wulian disclosed that its shareholder, Fengtu Huizheng, intends to reduce its holdings by up to 2.36 million shares, accounting for 3% of the total share capital, during the same period [6]

Core Points - China successfully launched the Gaofen-14 02 satellite on October 26, 2023, using the Long March 3B rocket from the Xichang Satellite Launch Center [1][3] - The Gaofen-14 02 satellite is designed to efficiently acquire high-precision three-dimensional images globally, producing large-scale digital terrain maps, digital elevation models, digital surface models, and digital orthophoto maps [1] Group 1 - The launch marks the 603rd flight of the Long March series of rockets [3] - The Long March 3B rocket was developed by the China Aerospace Science and Technology Corporation's First Academy [3] - The Gaofen-14 02 satellite was developed by the China Aerospace Science and Technology Corporation's Fifth Academy [3]

Core Viewpoint - The successful launch of the Long March 3B rocket marks a significant achievement for China Aerospace Technology Group, enhancing the country's capabilities in high-precision geographic information acquisition and supporting national economic and defense needs [1][2]. Group 1: Launch Details - On October 26 at 11:55, the Long March 3B rocket was launched from the Xichang Satellite Launch Center, successfully placing the Gaofen-14 02 satellite into its designated orbit [1]. - This launch represents the 603rd mission of the Long March series of rockets, showcasing the ongoing advancements in China's space capabilities [2]. Group 2: Technical Aspects - The Long March 3B rocket is part of the Long March 3A series, known for its dual-position cross-parallel testing capabilities, which enhances operational efficiency [1]. - The launch team has developed a new generation of generalized ground measurement and control systems, improving the efficiency of mission transitions between launches [1].

Core Viewpoint - The successful launch of the Gaofen-14 02 satellite marks a significant achievement in China's space capabilities, enhancing the country's ability to gather high-precision geographic information for economic and defense purposes [1] Group 1: Launch Details - The launch occurred on October 26 at 11:55 AM from the Xichang Satellite Launch Center using the Long March 3B rocket [1] - This mission represents the 603rd flight of the Long March series of launch vehicles [1] Group 2: Satellite Capabilities - Gaofen-14 02 satellite is designed to efficiently acquire high-precision three-dimensional images globally [1] - It will produce large-scale digital terrain maps, digital elevation models, digital surface models, and digital orthophoto maps [1] - The satellite's data will provide essential geographic information support for national economic development and defense construction [1]

Core Viewpoint - The intensification of great power competition is a long-term trend, leading to a positive outlook for the military industry [2][4]. Group 1: Market Performance - The military industry index declined by 2.39% last week, underperforming the broader market by 1.88 percentage points, ranking 22nd out of 29 sectors [3]. - The Shanghai Composite Index fell by 0.51%, and the ChiNext Index dropped by 1.66% during the same period [3]. Group 2: Domestic Developments - On June 20, China successfully launched the Zhongxing 9C satellite using the Long March 3B rocket, marking the 582nd flight of the Long March series [3]. - At the 55th Paris Air Show, China showcased advanced equipment such as the J-35A stealth fighter and the Wing Loong-10B drone, highlighting their capabilities for both air and naval operations [3]. - The Zhuque-3 reusable rocket's first-stage propulsion system completed a ground test, laying the foundation for reusable rocket technology in China [3]. - The third China-ASEAN Defense Think Tank Exchange promoted regional defense technology cooperation, enhancing practical collaboration in defense technology and joint exercises [3]. Group 3: International Military Dynamics - Iran launched a significant missile attack against Israel, escalating regional security tensions, with at least 25 ballistic missiles targeting Israeli defense facilities [4]. - A joint statement from 21 Arab and Islamic nations condemned Israel's airstrikes on Iranian nuclear facilities, emphasizing the need for diplomatic dialogue to resolve the crisis [4]. - Modern warfare demands higher standards for equipment informatization and intelligence, with a focus on advanced aircraft and communication equipment's strategic value [4].