信息安全 信息系统安全防护技术 释文 object identifier 客体标识符
- European Southern Observatory
- European Southern Observatory - Munich Image Data Analysis System
- european southern observatory-munich image data analysis system
- European Space Agency
- European Spacelab
- European Space Research Organization
- European Spatial Development Perspective
- European style furniture
- European synchrotron radiation facility
- European Telecommunications Satellite Organization
- European Telecommunications Standards Institute
- European Tour
- European Union
- European Union Agency for Law Enforcement Training
- European Union Agency for the Operational Management of Large-Scale IT Systems in the Area of Freedom, Security and Justice
- European Union General Committee for Agricultural Cooperation
- European Universities' Charter on Lifelong Learning
- European valuation standards
- European Vegetation Archive
- European vegetation classification system
- european verbena herb
- European Virtual Observatory
- European VLBI Network
- European Weed Research Society
- European X-ray Observatory Satellite