Tiros Operational Satellite SystemTiros运行的卫星系统 Toss Old Spices Seasonally (McCormick & Company)搅拌香料季节性(麦考密克、老公司) Topics Of Social Science社会科学研究的主题 Tachograph Output Shaft SpeedTachograph输出轴的速度 Total Office Support System总办事处支持系统 Take Off Spread Sheet铺单起飞 Training Operational Sequencing System (US Navy Afloat Training Group)培训操作次序系统(美国海军漂浮训练组) Tactical Optical Surveillance System (Imagery)战术光学监控系统(图像) Technical & Operating Support Services技术与运营支持服务 Tennessee Organization of School Superintendents田纳西州的学校官吏的组织 Transcripts of Sea Service (Mariners License)海上水手的成绩单(许可) Terminal-Oriented Support SystemTerminal-Oriented支持系统 Targeted Opportunity Sales Support目标的机会销售支持工作 Total Suppression of SidebandsSidebands总镇压 Two Oceans Slope Soarers两个大洋Soarers斜坡