电子显微镜是目前基础、临床医学研究和教学中不可缺少的重要手段，该仪器又极为精密而复杂，要使其长期处于正常的工作状态中，需做大量的日常维修和保养工作。本室建立初期，基于当时条件所限，全空房屋均由回房改造而成，与电教中心及各教研室隆邻，因而周围有大量杂散磁场 Electron microscopy is an indispensable and important method in basic, clinical medical research and teaching. The instrument is extremely sophisticated and complicated. It is necessary to make it work in the normal working condition for a long time, and a lot of routine maintenance and maintenance work is required. In the initial period of the establishment of this room, based on the prevailing conditions, all empty houses were transformed from the back room and were adjacent to the audio-visual center and teaching and research rooms. Therefore, there was a large amount of stray magnetic fields around the room.