SS(shearingforce)剪力S(slip)滑动，滑差S(specificentropy)比熵S(switch)开关S(system)系统SA(self-acting)自动的SA(semi-automatic)半自动的SA(senseamplifier)读出放大器SA(servoamplifier)伺服放大器SA(standardatmosphere)标准大气压SA(steamadmissionvalve)进汽阀SA(systemanalysis)系统分析SAA(surface-activeagent)表面活性剂Sabaroffcircuit萨巴罗夫电路(一种晶体振荡电路)SAC(semi-automaticcoding)半自动化编码SAC(SourceAssistedFissionConverter)源辅助转换(反应)堆SAC(storageaccesscontrol)存储存取控制SAC(storeandclear)存储和清除saccharification糖化作用saccharose蔗糖SACE(semi-automaticcheckoutequipment)半自动检查装置Sacksen-Werketypecompensatedmotor萨克申-沃克补偿电动机SACO(selectaddressandcontractoperate)选择地址及对比操作sacrificialanode牺牲阳极SAD(systemallocationdocument)系统分配文件SADC(solid-stateanalog-to-digitalcomputer)固态模[拟]-数[字]计算机saddle鞍座，支座，阀座，座板，滑动座板saddlecoilmagnet鞍形线圈磁体saddlepoint鞍点saddle-pointmethod鞍点法saddleshell鞍形壳SAE(simplearithmeticexpression)简单算术表达式SAF(safety)安全，安全设备safe安全的，可靠的，安全，可靠safeallowableload安全许可负荷safeallowablestress安全许可应力safebygeometry几何安全safecarryingcapacity安全载流safeclearance安全净空safecode安全规程safecompany信托公司safeconcentration安全浓度safeconcentrationofpollutant污染物的安全浓度safecontainment安全封隔safecorridor安全走廊safecurrent安全电流，容许电流safediameter安全直径safedistance安全距离safedose安全剂量safeenclosure安全封入，封存(退役第一阶段)safeend安全端，[异金属]过渡段safeendweld不同合金焊，异金属焊safeescape安全出口safeexit安全出口safefailure安全故障safegear安全设施safegeometry安全几何条件safegeometryshippingcontainer[核燃料]几何安全运输容器safeguard安全装置，保安措施，护罩，保护，保险器，安全设备，保安装置，保护装置safeguardagreement保障协定safeguardcircuit安全保护电路safeguardclause保障条款safeguardprovisions保障规定safeguardregulations安全管理safeguards(国际原子能机构)核保障safeguardsagreement保障协定safeguardsanalysis保障分析safeguardsapproach保障方案safeguardscontainment保障封隔safeguardsinspector保障视察员safeguardsmaterialcontrolsystem保障[核]材料控制系统safeguardsmeasures保障措施safeguardssystem保障制度safeguardstechnique保障技术safehandling安全操作safehealthlevel安全保健水平safeheatinglimit安全加热限度safeinoperation安全运行safeintegralreactor(SIR)安全一体化反应堆safekeeping保卫，保safelightscreen安全灯滤光片safelimit安全极限safeload安全负载，容许负