System Engineering Integration Team系统工程的团队 Security Evaluation and Inspection Team (Canada)安全评估及检验团队(加拿大) System Engineering Integration and Test系统工程集成、测试 Synthetic Environments Integration Testbed综合环境一体化的试点 Special Education Itinerant Teacher特殊教育巡回教师 Space Environmental Impacts Tool空间环境影响的工具 supervisory electronic installation technician监视电子装置管理技术员