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1、全国计算机等级考试二级公共基础知识复习资料湖南文理学院内部使用不得翻录appearanceoftheweldappearancequalitytechnicalrequirementsoftheprojectmustnothaveamoltenmetalstreamdoesnotmeltthebasemetaltoweld,weldseamandheat-affectedzonesurfacemustnothavecracks,pores,defectssuchascraterandash,surfacesmoothing,weldandbasemetalshouldbeeve
2、nlysmoothtransition.Width2-3mmfromtheedgeofweldGroove.Surfacereinforcementshouldbelessthanorequalto1+0.2timestheslopeedgewidth,andshouldnotbegreaterthan4mm.Depthofundercutshouldbelessthanorequalto0.5mm,totallengthoftheweldsonbothsidesundercutnotexceed10%oftheweldlength,andlongcontinuousshoul
3、dnotbegreaterthan100mm.Wrongsideshouldbelessthanorat0.2T,andshouldnotbegreaterthan2mm(wallthicknessmmt)incompleteornotallow7.57.5.1installationqualityprocessstandardsoftheelectricalenclosureCabinetsurfaceisclean,neat,nosignificantphenomenonofconvex,closetonature,closethedoor.7.5.2CabinetCabi
4、netfacepaintsnopaint,returnedtorusted,consistentcolor.7.5.3uniformindirectgapfromtoptobottom,slotwidth<1.5mm7.5.4adjacentCabinetsurfaceroughnessis0.7.5.5thecabinetsfirmlyfixed,craftsbeautiful.7.5.6Cabinetsurfacegauge,switchcabinetmarkclear,neat,firmpaste.7.5.7Terminalrowofneat,isreliable,the
5、appearanceiscleanandnotdamaged.7.5.8cablesneatandclean,solidbinding,bindingprocessinappearance.7.5.9thefirstcableproductionfirm,craftsbeautiful,clearsignagedoesnotfade.7.5.10fireproofpluggingtight,nocracksandpores.7.67.6.1ofthestandardelectricalwiringqualitytechnologycablea,themulti-corewire
6、buncharrangementshouldbeparalleltoeachother,horizontalwireharnessorwireshouldbeperpendiculartothelongitudinalmulti-corewirebunch.Thedistancebetweenthewireharnessandwireharnesssymmetry,andascloseaspossible.B-corewiringharnessintoround,multi-corewirebunchusedgwirebinding,fastening目录公共基础知识考试大纲1
7、基本要求1考试内容1一、基本数据结构与算法1二、程序设计基础1三、软件工程基础1四、数据库设计基础2考试方式2二级C考试大纲3基本要求3考试内容3一、C语言的结构3二、数据类型及其运算3三、基本语句3四、选择结构程序设计3五、循环结构程序设计4六、数组的定义和引用4七、函数4八、编译预处理4九、指针4十、结构体（即“结构”）与共用体（即“联合”）5十一、位运算5十二、文件操作5考试方式5二级VisualFoxPro考试大纲6基本要求6考试内容6一、VisualFoxpro的基础知识6二、Vi
