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)
Siguniang Shan四姑娘山
Siganus oramin黄斑蓝子鱼
Sigmodon allenin.棕棉鼠
SiGe thin films硅锗薄膜
Siganus oramins黄斑篮子鱼
Siganus puellus眼带篮子鱼
SIGINT satellite电子侦察卫星