◎记者 张雪 从体制内"金饭碗"到航空混动"冷门赛道"，他用九年时间给出一个关于"飞行未来"的答案。 "与其说是'放弃'，不如说是一次'回归'——回归到内心对做一些不一样但有价值的事情的渴望上。"谈 起2016年离开航天系统、投身创业的决定，北京电擎科技有限公司（下称"电擎科技"）创始人、董事长 张文学如此表示。 这位山东籍的航天博士，九年前选择了一条当时看来颇为"冷门"的赛道——航空混合动力。如今，低空 经济正成为行业瞩目的"热门"前沿。 这对应着三大技术模块：高密度发电系统、高效储能系统、高效电推进系统，并由一套高冗余的综合能 源管理系统统领全局。 从"金饭碗"到"试验田" 张文学曾拥有一份堪称完美的事业轨迹。"在体制内平台，能参与国家重点型号任务，是难得的成长机 会。"张文学坦言，那段经历让他系统掌握了航空航天动力的研发规律与工程体系。 但与此同时，他注意到一个趋势：全球范围内，载运工具的电动化转型正在从地面向天空延伸。"在这 条赛道上，世界巨头和我们一样，都站在相似的起跑线上。"他形容自己当时的心态：继续留在体制 内，是一名合格的"螺丝钉"；但跳出来，或许能成为一个新领域的"探路者"。 一次在高原试验 ...

Core Insights - The article highlights the rapid growth and development of the "specialized, refined, characteristic, and innovative" (专精特新) enterprises in Beijing, particularly through the establishment of the specialized board that supports small and medium-sized tech companies [2][4]. Group 1: Company Developments - Dianqing Technology, a company focused on high-power aerospace power systems, has made significant progress in achieving a megawatt-level power generation system, narrowing the technological gap with the U.S. [1]. - The company successfully listed on Beijing's specialized board by the end of 2023, which has accelerated its growth [1]. - Zhongke Yutu, a new entrant to the specialized board, values the listing cultivation services and green channel mechanisms provided by the board [3]. Group 2: Specialized Board Achievements - As of September 19, 2023, the specialized board has 900 listed companies, reflecting the steady growth of Beijing's tech innovation [2]. - The board has established a three-tier cultivation system, including 234 incubated companies, 509 standardized companies, and 157 cultivated companies [2]. - Nearly 60% of the companies on the board have R&D investments exceeding the industry average, with an overall R&D intensity approaching 24% in 2024 [2]. Group 3: Financial and Policy Support - The specialized board has implemented a financing reward policy to stimulate the growth of specialized and innovative enterprises [4]. - A new AI-based comprehensive financial service platform has been launched, marking the transition of specialized board services into an intelligent phase [5]. - The board is working to enhance its service system and financing channels, including customized credit products for eligible companies [6]. Group 4: Future Expectations - Companies on the specialized board express a desire for enhanced collaboration to create a cluster effect within the same industry chain [6]. - There are expectations for the board to play a pivotal role in connecting enterprises with more application scenarios in emerging fields like low-altitude economy and ecological environment monitoring [6].