转自：河北新闻网 【大思政·青年夜校精品课丨开拓：磨砺毫厘之光，照亮苍穹之志】开拓，在毫厘之间，伸展无限可 能。河北日报客户端大思政·青年夜校频道系列精品课第五期，让我们走近将青春与毫厘精度刻进国家 重器的中国电科网络通信研究院高级技能带头人、大国工匠——夏立。生于军工大院，长于天线车间。 这位"天路"上的通信摆渡人，用一把锉刀、一颗匠心，在平凡岗位上刻画着这个时代的"中国精度"。从 天眼探秘到北斗指路，从神舟飞天到为战舰护航——这不仅仅是一个关于毫厘与苍穹的故事，更是一场 实干与家国的深刻共鸣。当千万个"毫厘之光"汇聚，民族的"苍穹之志"，也便有了最坚实的臂膀。 （来源：河北新闻网） ...

Core Viewpoint - The article highlights the dedication and craftsmanship of Ye Hui, a second-generation grinding master in China, who has spent over twenty years perfecting the art of precision grinding, aiming to elevate "Chinese precision" to new heights [2] Group 1: Personal Journey and Dedication - Ye Hui trained for three years as an apprentice, focusing on grinding flat surfaces, demonstrating a commitment to mastering his craft [2] - Despite facing injuries that could have sidelined him, he chose to continue his work, showcasing resilience and dedication to his profession [2] Group 2: Achievements and Response to Criticism - Ye Hui has achieved nanometer-level precision in grinding, specifically in creating tools that measure other tools, referred to as "the ruler of rulers" [2] - In response to international skepticism regarding China's ability to produce such precision, Ye Hui confidently stated that results will speak for themselves [2] Group 3: Future Aspirations - Ye Hui continues to push the boundaries of precision, indicating an ongoing commitment to innovation and excellence in the field [2] - The article connects his work to the broader aspirations of China's aerospace industry, suggesting that his craftsmanship is part of a larger national goal [2]

Core Insights - The article emphasizes the significant advancements in China's high-end manufacturing sector, highlighting the concept of "Chinese Precision" as a key driver of development during the "14th Five-Year Plan" period [1][2]. Group 1: Manufacturing Precision - A high-precision CNC machine in Shandong produced 127 needle-shaped specimens with a diameter of 0.05 mm from a 30 mm metal rod, showcasing the level of precision achieved in Chinese manufacturing [1]. - The establishment of a large-length reference device in China, with a measurement range of 80 meters and an error margin of only 2.45 micrometers, represents a significant advancement in precision measurement technology [2]. Group 2: Applications in Aerospace and Navigation - The new large-length reference device enhances the precision and reliability of measurements for key components in large equipment, such as spacecraft docking and aircraft assembly, contributing to high-quality development in manufacturing [2]. - The successful launch of the 59th and 60th BeiDou navigation satellites demonstrates the importance of precision in modern transportation, where time and spatial accuracy are critical [4]. Group 3: Expansion of BeiDou System - The BeiDou ground-based augmentation system has been established to provide real-time high-precision positioning services, expanding its applications from traditional surveying to areas like precision agriculture and autonomous driving [5]. - The application rate of the BeiDou system in key transportation sectors has exceeded expectations during the "14th Five-Year Plan" period, indicating its growing importance [4][5]. Group 4: Future Developments - The "Measurement Support for New Quality Production Power Development Action Plan (2025-2030)" aims to address critical measurement issues in industrial development, indicating a continued focus on precision [6]. - The upcoming "15th Five-Year Plan" is expected to further enhance "Chinese Precision," injecting new vitality into industrial development and propelling the economy to higher levels [6].