International Switching and Testing Center国际交换和测试中心 Institute of Scientific and Technical Communicators (UK)学院的科技交流(英国) International Satellite Transmission Center国际卫星传输中心 International Standard Text Code国际标准文本的代码 International Standard Textual Work Code国际标准文本的工作的代码 Independent Sector Treatment Centre (UK)独立的部门处理中心(英国) Independent Sequential Track Correlation独立的时序关联 Institute of Swimming Teachers and Coaches Ltd (UK)学院的教师和教练游泳有限公司(英国) International Science and Technology Center国际科技中心 Integrated System Test Capability集成系统测试的能力 International Student Travel Confederation国际学生旅游联盟 International Space Training Center (Walt Disney World)国际空间培训中心(沃尔特·迪斯尼世界) International Society of Tax Consultants国际社会的税务顾问 International Special Training Center (Pullendorf, Germany; formerly International Long Range Reconnaissance Patrol School, ILRRPS)国际特殊培训中心(Pullendorf;前,德国的远程侦察巡逻国际学校,ILRRPS) Integrated System Testing Center集成系统测试中心