System Administration, Networking, and Security Institute系统管理、网络、安全研究院 SysAdmin, Audit, Network, and SecuritySysAdmin、审计、网络、安全 Small-Angle Neutron Scattering中子散射角 Sympathetic Autonomic Nervous System自主神经系统的同情 Ship Arrival Notification System (USCG)船抵达通知系统(这样) Scale for Assessment of Negative Symptoms阴性症状 Small Angle Neutron Scattering小角度中子散射 Scale for the Assessment of Negative Symptoms阴性症状的评定量表 Scale for Assessing Negative Symptoms负面症状量表评定 South African National Standard南非的国家标准 System Administration Networking And Security系统管理网络和安全 Stoller Afferent Nerve StimulatorStoller传入神经刺激 Synchronization And Narration System同步和叙事制度