The developments of manufacturing technology and research on ethylidene norbornene abroad were reviewed with 71 references. 介绍了国外亚乙基降冰片烯的生产技术和科研工作的进展情况。
The necessity and feasibility of carring out the study on synthe sis methods to realize the industrialization of ethylidene norbornene in China were expounded. 并根据我国实情，阐述了开展亚乙基降冰片烯合成方法的研究对我国实现产业化的必要性和可行性。
