International Early Psychosis Association早期的精神病协会国际 Illinois Environmental Protection Agency伊利诺斯州环境保护局 Independent Electron Pair Approximation独立电子对近似 Independent Energy Producers Association (also seen as IEPA)独立的能源生产商协会(也看成是IEPA) Independent Energy Producers Association (also seen as IEP)独立的能源生产商协会(也看成是IEP) Individual Educational Purchase Application个人教育购买申请 Idl Expert Programmers AssociationIdl软件专家程序员协会