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)
Sigmund rs glands滑车上淋巴结
Sigalion asiatican.亚洲锡鳞虫
Sigmodon leucotisn.白耳棉鼠
Sigmistes caulias精弯鳍杜夫鱼
Sigault operation[医] 西果氏手术(耻骨联合切开取胎术)
Sigalphus hunanusn.湖南屏腹茧蜂
Sigmodon arizonaen.亚利桑那棉鼠
siganl and system信号与系统课程