Group 1 - The Shantou Air Traffic Control Station held a study session on the spirit of the 20th Central Committee's Fourth Plenary Session, emphasizing the importance of understanding and implementing the session's directives as a major political task [2][3] - The session included expert guidance from Associate Professor Zheng Liangze of the Shantou Municipal Party School, focusing on the theoretical origins, scientific connotations, and practical achievements of Xi Jinping's economic thought [2] - Participants engaged in a systematic study of the original text of the "Suggestions on Formulating the 15th Five-Year Plan for National Economic and Social Development," aiming to grasp the significant position, goals, strategic deployments, and major measures for the "15th Five-Year" period [2] Group 2 - The meeting emphasized the need for comprehensive and systematic learning of the plenary session's spirit, integrating it with safety operations and annual task planning to ensure orderly progress of various tasks [3] - There is a focus on guiding party members, cadres, and employees to internalize the session's spirit, aiming for practical implementation and new developments in Shantou Air Traffic Control [3]