Synchronous Digital Hierarchy同步数字系统 Sorbitol Dehydrogenase山梨醇脱氢酶 saccharopine dehydrogenase酵母氨酸脱氢酶 Spatial Data Handling空间数据的处理 Standard Data Header标准的数据的标题 Subdural Hematoma硬脑膜下血肿 Sleep Deprivation Headache睡眠剥夺的头痛 Subtitles for the Deaf & Hard of Hearing字幕聋子和重听 Skill Dynamics Hypothesis技能动力学的假设 Succinate-Ubiquinone OxidoreductaseSuccinate-Ubiquinone还原酶 Side Drilled Hole侧钻孔 Signal Degradation-HandoffDegradation-Handoff信号 Stammdienststelle des Heeres (German)Stammdienststelle des Heeres(德国) SODEXHO Marriott Services, Inc.万豪酒店服务公司的良好 Synchronous Digital Hierarchy ( SONET)同步数字等级(SONET)