Strategic Air Command (now United States Strategic Command)(现在的战略空军司令部美国战略指令) Student Activities Center学生活动中心 Service Access Code服務接取碼 Semi-Anechoic Chamber见hemi-anechoic chamber Science Advisory Committee科学顾问委员会 Structural Adjustment Credit (World Bank preferential loan for restructuring program)世界银行信用结构调整为重组程序)的优惠贷款 Safety Advisory Committee安全顾问委员会 Symposium on Applied Computing (ACM Symposium)应用计算机(ACM研讨会研讨会) Small Agency Council小机构理事会 Space Applications Centre空间应用中心 Standardization Administration of China中国的标准化管理 Special Analog Computer专用模拟计算机 Space Applications Center (India)空间应用中心(印度) Styrene-Ackylonitrile Copolymer苯乙烯-丙烯腈共聚物 Second Artillery Corps (PRC)第二炮兵 (中国)