SIGSn.天体惯性制导系统
Sigabbr.信号(=signal)abbr.签名(=signature)abbr.标记(=signa)SIG.abbr.特殊利益集团(=special interest group)
Sigmoceros lichtensteinin.利氏麇羚
Siglophora sanguinolentan.内黄血斑夜蛾
SiGe low noise amplifier锗硅低噪声放大器
SiGe - on - insulator绝缘体上的硅锗
Sigalphus rufiabdominalisn.红腹屏腹茧蜂
SIGINT Processing Platoon通信情报处理排