Solid State Protection System可靠国家防御系统 State Security & Protective Services Australia Pty Ltd澳大利亚的国家安全与防护服务有限公司 Scottish Surgical Paediatric Society儿科协会外科苏格兰 Subcarrier Signal-Point SequenceSignal-Point动态顺序 Silver Stream Public School (Canada)银流公立学校(加拿大) Single Sound Per Symbol (alphabet)单一的声音(字母)的象征 Speed Sensitive Power-assisted Steering速度灵敏的操舵 Southern Sudan Police Service苏丹南部的警察服务 Sky Survey Prototype System天空的原型系统 Software Standards and Procedures Specification (International Space Station)软件标准和规程规范(国际空间站) Social Service Payment System社会服务付费系统 Summer Study at Penn State夏天在宾州州立大学的研究 Holy Spirit Missionary Sisters (religious order)圣灵传教(宗教秩序) Scottish Standard Payroll System苏格兰的标准工资管理系统 Sans Souci Public School (Australia)没有Souci公立学校(澳大利亚)