SiGen.硅锗Sigabbr.信号(=signal)abbr.签名(=signature)abbr.标记(=signa)SIG.abbr.特殊利益集团(=special interest group)sigle-period equilibrium单一期间均衡sigle-chip microcomputer单片机sigle-point cutting tool单刃刀具sigular value decomposition奇异值分解Sigle-point-level option单点水平期权sig-nal-conditioning unit信号调整装置Sigwart's compression forcepsSIGINT Operations Review Board信号情报操作审查委员会siganl-to-interference ratio[电] 信号干扰比Sigmund Freud and Modern Civilization弗洛伊德与现代文明