Sindicato de AcciÓn Obrera

Smithsonian Astrophysical Observatory史密森天体物理观测台[美] Security Assistance Organization安全援助组织 Sessino At Once区段刻录 Subsequent-Address Message with One Signal带有一个信号的后续地址消息 Senior Acquisition Officer高级采集军官 Safety Assessment Office安全评估的办公室 Southern Association for Oncology为肿瘤学协会南部 Systematic Analysis of Operations操作系统的分析 Stichting voor Alzheimer OnderzoekStichting voor Onderzoek阿尔茨海默氏症 Salvation Army Officer救恩的军官 Staff Action Officer员工行为军官 Single Association Object单关联对象 Semi-Annual Oscillation本次振荡 Southeast Asian Ovalocytosis东南亚Ovalocytosis Sonobuoy Acoustic Operator声学算子声纳