1998年11月中旬，为进行学术交流活动，访问了西安和青岛。在西安，有幸访问了西安交通大学和西安电子科技大学，参观了那里的研究设施，分别与两所大学的有关研究人员交流了铁电体材料和半导体工艺等方面的研究现状。而且不失时机地参观了以秦始皇兵马桶为代表的许多文化遗产 In mid-November 1998, he visited Xi’an and Qingdao for academic exchange activities. In Xian, I was fortunate to have visited Xi’an Jiaotong University and Xi’an Electronic and Science University, visited the research facilities there, and exchanged the research status of ferroelectric materials and semiconductor technology with relevant researchers at the two universities respectively. But also seized the opportunity to visit the many cultural heritage represented by the Qin Shihuang soldiers toilet