Passed away. According to the data of Liu Zhixiong, Liu Zhixiong, a professor at Peking University Institute of Electronics, died at the age of 86. According to the professor's obituary published on the website of Peking University Institute of Electronics on May 24th, Comrade Liu Zhixiong, a member of the Party Group of China, a professor of Peking University Institute of Electronics and former deputy director of the Department of Radio Electronics, died in Beijing at the age of 86 on May 23rd, 2022 15: 30.