SADTn.超合金型扩散基极晶体管
sadadj.悲哀的;忧愁的;伤心的
SADR Sender Attachment Delay Recorder发送器附件延时记录器
Saddam Hussein has chemical weapons.
Sadness and loneness left yesterday.悲伤和孤寂已经在昨日离去.
SADAP Simplified Automatic DAta Plotter简型自动数据绘图机
Sadnessand gladness succeed each other.悲喜互继,哀乐相续。