Stato Ecologico Dei Corsi d'Acqua (ecology, Italy)Stato天主的Ecologico 'Acqua(生态学、西d意大利) State Employees Commuter Association (Albuquerque, NM)政府雇员通勤协会(阿布奎基,海里) Self-Employment Contributions Act of 1954自1954年法案的贡献 Sulphur Emission Control Area二氧化硫排放总量控制与排污权交易的区域 Solid State Energy Conversion Alliance固体能量转换的联盟 Southern Early Childhood Association南部幼年协会 SOx Emission Control Area红袜排放控制区域 South East Clown Association (North Carolina, USA)南东小丑协会(美国北卡罗莱纳州) Swiss Private Equity & Corporate Finance Association瑞士的私募股权投资、企业融资协会 Support Equipment Controlling Authority支持设备的控制权力 Self Employment Contributions Act就业的贡献自己的行为 Stock Exchanges Control Act证券交易所控制的行为 Sports Event Capture Arrays体育赛事捕获的数组 South Eastern Colleges Association华南东部院校协会