分组交换网络互连(通常看作是IPX)

In-band Parameter Exchange带内参数交换 International Petroleum Exchange国际石油市场 Investimentos e Participações Empresariais (Portugal)Investimentos e Participações Empresariais (Portugal) Integrated Platform Electronics集成平台的电子产品 Interprofessional Education (healthcare)Interprofessional教育(保健) International Political Economy国际政治经济 Individualized Plan for Employment个性化的计划的就业机会 Inverse Photoemission反光电发射 Interpersonal Political Environment人与人之间的政治环境 Institute of Private Enterprise学院的私营企业 Intelligence Preparation of the Environment (US military)智能准备环境(美军) Independent Practice Endorsement独立的实践的认可 Individual Protection Equipment个人防护设备 Instituto de PrevidÊncia do Estado do Rio Grande do Sul (Brazil)Instituto de PrevidÊncia do Estado do Rio Grande do Sul (Brazil) Ile du Prince Edouard (Canada)Edouard试射嘟王子(加拿大)