Group 1 - The core point of the news is that the Jinan Rail Transit Line 4 has reached a significant milestone with the full-scale dynamic debugging of the line, which is essential for achieving full automatic operation (FAO) after testing is completed [1][2] - The dynamic debugging process involves deep coordination testing of over ten systems, including vehicles, signals, communication, and comprehensive monitoring, ensuring precise collaboration among all components [1] - Advanced technologies such as self-learning parking precision and automatic adjustment of operation levels have been implemented in Line 4, enhancing the line's sophistication and raising the standards for the debugging process [1] Group 2 - As of now, all 33 stations of Line 4 have completed the main structure capping and have entered the post-station construction phase, with installation of electromechanical equipment and station decoration underway [2] - The construction progress is being accelerated while ensuring safety and quality, with efforts focused on removing barriers and restoring roads and greenery [2] - The goal is to steadily advance towards the target of opening the line for operation by the end of the year [2]

Group 1 - The core point of the news is that the comprehensive dynamic debugging of Jinan Metro Line 4 has officially started, marking a significant milestone in the construction process, with basic functions already achieved to support full automatic operation after debugging [2] - Dynamic debugging is described as the final checkpoint before trial operation, involving deep collaborative testing of over ten systems, ensuring precise coordination among all components [3] - To mitigate the impact of adverse weather conditions on debugging progress, the Jinan Rail Transit Group has organized a special task force to provide comprehensive support, ensuring timely response and resolution of issues [5] Group 2 - As of now, all 33 stations of Line 4 have completed the main structural topping out and have entered the post-station construction phase, with installation of electromechanical equipment and station decoration underway [6] - The construction is being accelerated while ensuring safety and quality, aiming for the line to be operational by the end of the year [6]

Group 1 - The core point of the article is the significant progress in the construction of Jinan Metro Line 4, with the full-scale dynamic debugging of the line now underway, paving the way for its automatic operation after testing completion [2][3]. - Dynamic debugging is described as the final critical step before trial operation, involving deep coordination testing of over ten systems, ensuring precise collaboration among all components [3]. - The line incorporates advanced technologies such as self-learning parking precision and automatic adjustment of operational levels, enhancing the line's sophistication and setting higher standards for debugging [3]. Group 2 - As of now, all 33 stations of Line 4 have completed the main structural capping and have entered the post-station construction phase, with comprehensive installation of electromechanical equipment and station decoration underway [5]. - The construction team is actively working on removing barriers and restoring roads and greenery in phases, aiming to accelerate the construction progress while ensuring safety and quality [5]. - The goal is to achieve operational readiness by the end of the year, with ongoing efforts to maintain construction momentum [5].