国产大飞机C929国产化率多少，配备国产发动机吗，在国际上有哪些竞争优势？
国产大飞机C929是中国航空工业实现宽体客机自主化的里程碑式成果，其国产化率、核心技术与综合性能均达到国际领先水平。以下从国产化率、发动机、核心特性及优势三方面综合分析：
技术新闻
TsingCar,UWB Technology Elevates Your Auto Life
As an advocator and a leading provider of UWB technology and products for cars, TsingCar empowers intelligent and connected vehicles (ICVs) with its sensor technology and core algorithm.
SparkLink: Revolutionizing Digital Car Keys with Centimeter-Level Precision
The evolution of the car key – from mechanical metal to remote fob, then to smartphone-based digital keys – represents a relentless pursuit of convenience and security. However, existing solutions, primarily relying on Bluetooth Low Energy (BLE) or Near Field Communication (NFC), face inherent limitations in precision, reliability, and security, particularly for seamless, hands-free access. SparkLink technology, with its core strengths of ultra-low latency, rock-solid reliability, and crucially, high-precision positioning, is emerging as the definitive wireless foundation for the next generation of digital car keys, enabling a truly transformative user experience.
SparkLink: Driving Innovation and Standardization in the Smart Car Revolution
The automotive industry is undergoing a seismic shift towards intelligent, connected, and electrified vehicles. At the heart of this transformation lies the critical need for robust, high-performance, and ultra-reliable wireless communication. Enter SparkLink (also known as NearLink), a groundbreaking short-range wireless technology emerging as a powerful catalyst, specifically accelerating innovation in applications and the development of standards within the smart car ecosystem.
非3C认证充电宝禁上飞机
以下是中国民航局关于非3C认证充电宝禁上飞机规定的中文详细说明，涵盖背景、禁运范围、原因及应对措施：