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“度”量中国这五年:毫厘之间铸造“中国精度”
Zhong Guo Xin Wen Wang· 2025-10-18 11:01
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].
市场监管总局:我国量子精密测量领域取得突破性进展
Zhong Zheng Wang· 2025-08-11 12:17
Core Insights - Breakthroughs in quantum precision measurement have been achieved in China, specifically with a new atomic spin sensor developed by Beihang University, which demonstrates ultra-high sensitivity and traceable precision in measuring weak magnetic fields [1] Group 1: Technological Advancements - The atomic spin sensor can accurately measure magnetic signals that are one billion times weaker than the Earth's magnetic field, showcasing its high sensitivity [1] - The measurement results can be traced back to atomic physical constants, ensuring accuracy and reliability in the measurements [1] Group 2: Applications and Implications - This technology supports various fields, including fundamental scientific research, high-end equipment manufacturing, and cosmic exploration, providing essential metrology support [1] - The sensor has been utilized in exploring dark matter candidate particles, which constitute approximately 85% of the total matter in the universe, aiding in the understanding of this mysterious component [1] Group 3: Government Support and Future Directions - The State Administration for Market Regulation will continue to enhance support for cutting-edge metrology technologies like quantum precision measurement, facilitating the transformation of research achievements into metrology standards and industrial applications [1] - This initiative aims to build a modern advanced measurement system for the nation, supporting technological innovation and high-quality development [1]