Enterprise Storage Network企业存储网络 Electronic Serial Number电子序号 Emergency Service Number紧急服务号码 English-Speaking Nation以英语为母语的国家 Enterprise Social Networking企业的社会网络 Electronic Sports Network电子竞技的网络 Elysian Space Navy (Honor Harrington science fiction novels)净土的空间海军(荣誉哈林顿科幻小说) Erasmus Student Network伊拉莫斯学生网络 Erasmus Student Network (Europe)伊拉莫斯学生网络(欧盟) Earthstewards NetworkEarthstewards网 Educationally Sub-Normal (UK)教育Sub-Normal(英国) Electronic Solutions Now电子方案 Electronic Switched Network电子交换网络 Entertainment and Sports Network娱乐和体育网 Engineering Services Network工程服务网络