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)Sigoisoinann.锡戈伊索伊南(在印度尼西亚；东经 99º35' 南纬 2º05')sig-naling信号传递Sigalioninae锡鳞虫亚科siguifieance意义Siguatepequen.锡瓜特佩克(在洪都拉斯；西经 87º48' 北纬 14º39')Sigalionidae锡鳞虫科SiGe channel锗硅沟道Sigmond Freud弗洛伊德siglet oxygen单态氧sigillotaxice肌斑