October 9th afternoon，Our school successfully held the 50th lecture of "Mingde Lecture Hall"，Invited Professor Sun Yefei, Director of the National Defense Mobilization Research Center of Northwestern Polytechnical University, to give a special lecture titled "The Evolution of the International Strategic Pattern and China's Diplomacy under the Great Change Unseen in a Century"。This lecture is hosted by the School of Marxism，Co-organized by the Party Committee Organization and Propaganda Department and the School Youth League Committee，More than 800 teachers and students from the school participated，The lecture was hosted by Wang Juntao, Secretary of the Party Committee of the School of Marxism and the School of General Education。

Professor Sun Yefei surroundsThe evolution and current m88 slot machine casinosituation of the international strategic landscape、my country’s surrounding security situation and main challenges it faces、A comprehensive and in-depth analysis and interpretation of three aspects including the basic strategies for building my country’s peripheral security environment。The report has high aspirations、Broad vision，Incisive and thorough reasoning、Unique insights，Highly theoretical、Informed and forward-looking，To help teachers and students understand the security situation around our country、Learn about national defense knowledge，Establish national security awareness，Inspiring patriotic enthusiasm plays an important role。

Professor Sun encouraged students to deeply understand the rich connotations of the great changes unseen in a century，Firmly grasp the major opportunities, m88 online sports bettingrisks and challenges brought by the great changes to the great rejuvenation of the Chinese nation，I hope that students will bravely shoulder the lofty mission of youth in the new era，Integrate personal growth into the great cause of the rejuvenation of the Chinese nation，Continuously hone your abilities，Climbing the peak of knowledge。

After the lecture，Students expressed their opinions one after another，We must closely link personal development with the destiny of the country，Keep working hard、Remitting struggle，Contribute youth to the realization of the great rejuvenation of the Chinese nation。