In order to thoroughly study and implement the spirit of General Secretary Xi Jinping’s important instructions on strengthening national defense education for all people，Enhance teachers and students’ understanding of national defense knowledge，Promote national defense education to be deeper and more solid，May 16 afternoon，The School of Electrical Engineering held a lecture on the theme of "Overview of China's National Defense under the Century of Great Changes" in the teaching building of Xinglongshan Campus。This lecture is delivered by Colonel Hao Liwei，Wang Haihua, Deputy Secretary of the Party Committee of the School of Electrical Engineering、2022 Undergraduate Counselor Xu Fangzhou、2023 undergraduate counselor Teng Dan and student representatives were present。

 Lecture in progress，Hao Liwei used a world map to highlight the relationship between China and its neighboring countries，allowed the audience to understand at a glance the basic overview of my country’s geopolitical environment: there are many neighboring countries，Strong Neighbors Surrounded by Strong Neighbors；Important strategic location，Intersection of interests of major powers；Outstanding diversity，Concentrated hot spots and conflicts。Facing the complex international situation，Hao Liwei specially explained many issues about the South China Sea。In recent years，Under the strong leadership and command of the Party Central Committee with General Secretary Xi Jinping as the core，Our country’s struggle to safeguard maritime rights has achieved a major victory，China on resolving differences through dialogue、Opposing intervention by foreign powers has won the understanding and support of more ASEAN countries。Question session，Hao Liwei put forward unique insights into the hot issues of concern to the students，Thought-provoking。Students expressed that they will fulfill their citizens’ national defense obligations more strictly in the future，Cultivate personal defense concepts and national security awareness，Learn scientific and cultural knowledge，Follow national defense hot topics，Do your best to contribute to national defense。

 A country cannot stand without defense，People are defenseless and uneasy。The international strategic situation is undergoing unprecedented historic changes。Accelerating adjustment of international power structure，Intensified strategic competition among major powers，The existing international order is being seriously impacted and challenged，World instability、Uncertainty factors have increased significantly。This lecture guides teachers and students to care about national defense、Support national defense，Consolidate the mass foundation for national security，It is of great significance for building a solid national security defense line。Future，The college will continue to carry out national defense education activities，Promote the national defense awareness of the majority of students，Work unremittingly to realize the great rejuvenation of the Chinese nation！