第四届中日电子显微学讨论会于1987年11月7日至13日在云南昆明召开。出席会议的中方代表53人,日方代表22人,收到论文60篇。中国知名学者郭可信教授以及日本知名学者桥本初次郎教授在大会上分别作了题为“酞菁镧系化合物的高分辨率电子显微术”和“通过对原子分辨电子图象的图象处理观察晶体中微小位移的原子”的报告。讨论会分生物及非生物二个专业组,各交流了27篇和33篇论文。在非生物专业组内,中日两国的电镜工作者交流了金属及合金,陶瓷、超 The 4th Sino-Japanese Seminar on Electron Microscopy was held in Kunming, Yunnan from November 7 to 13, 1987. 53 representatives from China attended the meeting and 22 from Japan, and received 60 articles. Professor Guo Kexin, a famous Chinese scholar, and Professor Hashimoto Hashimoto, a well-known Japanese scholar, gave speeches entitled “High-resolution Electron Microscopy of Phthalocyanine-lanthanide Compounds” and “Observation of Image Processing of Atomic-resolved Electronic Images Tiny displacement of atoms in crystals ”report. Seminar points biological and non-biological two professional groups, the exchange of 27 articles and 33 papers. In the non-biomedical group, electron-microscope workers from China and Japan exchanged information on metals and alloys, ceramics,