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车上不太会坏的ACC,为啥每年都会“失灵”?
3 6 Ke· 2025-12-23 23:14
Core Viewpoint - The article discusses a recent incident involving a car with malfunctioning adaptive cruise control (ACC) and brakes, emphasizing the reliability of modern automotive systems and the importance of driver knowledge in emergency situations [1][3][19]. Group 1: Incident Overview - A driver experienced a failure of both the adaptive cruise control and brakes while driving a gasoline-powered car at high speed, resulting in a 490 km journey before the vehicle ran out of fuel [3]. - Emergency services effectively managed the situation, ensuring no accidents or injuries occurred during the incident [3]. Group 2: System Reliability - The ACC system, while potentially malfunctioning, is designed with multiple safety checks and redundancies, making complete failure highly unlikely [8][10]. - The ACC monitors over 30 vehicle and driver parameters, ensuring that it disengages under unsafe conditions, such as when the driver applies the brakes or shifts gears [9][10]. Group 3: Driver Response - In the event of a loss of control, drivers can safely stop a gasoline vehicle by disengaging the engine from the transmission or applying the brakes forcefully [16][18]. - Historical incidents of alleged brake failure often stem from driver error or external factors rather than actual vehicle malfunctions [19][21]. Group 4: Market Insights - The adoption rate of ACC in new vehicles has reached 57.5%, with a higher rate of 71.6% in electric vehicles, indicating a growing reliance on this technology in the automotive market [12].
5.22犀牛财经晚报:三一重工向港交所提交上市申请 新华保险认购私募基金份额100亿元
Xi Niu Cai Jing· 2025-05-22 10:19
Group 1: Financial Regulations and Market Developments - The Financial Regulatory Bureau announced the approval of a third batch of long-term investment reform pilot programs for insurance funds, totaling 60 billion yuan, bringing the total approved amount to 222 billion yuan [1] - The China Securities Regulatory Commission (CSRC) is set to implement the fifth listing standard for the Sci-Tech Innovation Board, aiming to support high-quality, unprofitable tech companies in going public [1] - China Securities Depository and Clearing Corporation released the clearing and settlement arrangements for the Dragon Boat Festival holiday in 2025, detailing specific dates for fund clearing and settlement [1] Group 2: Technology and Market Trends - The 2025 Bluetooth Asia Conference in Shenzhen projected that global Bluetooth device shipments will exceed 5.3 billion units in 2025, with a forecast of nearly 8 billion units by 2029 [2] - Lenovo Group reported a 23% year-on-year revenue increase to approximately 17 billion USD, driven by growth in the personal computer market and AI server demand, despite a 64% drop in net profit due to derivative losses and pricing pressures [2][6] - The automotive market is experiencing intense competition, with Mercedes-Benz significantly reducing prices on several models, with discounts reaching up to 50% [3] Group 3: Corporate Actions and Financial Performance - Sany Heavy Industry submitted an application for listing H-shares on the Hong Kong Stock Exchange [3] - Xinhua Insurance subscribed to a private equity fund with a total investment of 10 billion yuan, contributing to a fund size of 20 billion yuan [5] - Zhongnan Media's subsidiary signed a procurement contract worth 1.009 billion yuan for the supply of educational resources in Hunan Province [8] Group 4: Market Performance and Stock Movements - The market experienced a significant decline, with the North Stock 50 index dropping over 6% and more than 4,400 stocks declining across the market [11] - Despite the overall market downturn, banking stocks showed resilience, with several banks reaching historical highs [11]