ethylidene是什么意思？

ethylidene

英[ə'θɪlɪdi:n] 美[ə'θɪlɪdin]

• n. 乙缩醛，乙叉；

例句

• 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.

行业词典

• 医学： 亚乙基，乙撑：二价根CH3·CH.；