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1、二级Access数据库程序设计考试大纲 来源:考试大 2010/4/9 【考试大:中国教育考试第一门户】 模拟考场 视频课程 字号:T Tmeasuringrangeof1.5~2timesthemaximumtestpressure,essential...Table3-1equipmentbasedandlocationofallowsdeviationserialnumberprojectallowsdeviationmm1coordinateslocation(aspectaxis)±202differentplaneofelevation-203shapes
2、ize±204convexstageplaneshapesize-205concavepointssize+206planelevel(includingtopingShangneedinstallationequipmentofparteachmeters5fulllength107verticaldegreeseachmeters5fulllength108reservedanchorboltholeCenterlocation±10Depthofwallthicknessof+20109verticalelevationofpre-embeddedanchoringbolts(top
3、)+20Centredistance±23.5HorngroupHorninstalllocationandquantity,thefollowingrequirements:3.5.1Generaloneithersideoftheanchorboltshouldbeplacedunderasetofhorns,andascloseaspossibletothebolt.Thelocalboltspacingislessthan300mm,andcanbeplacedontheanchorboltswithsideasetofhorns,thespacingbetweentwoadjac
4、entsetofhornsisgenerally500mmaround,shouldbebasedonloadsdistributionandstructureofthebase.EachgrouppadironoflocationshouldaccordingtoequipmentloadbyXiatypedetermine:a,≥Cx(Q1+Q2)x104/RA--padironarea(mm2)Q1--duetoequipment,ofweightaddedinpadirongroupShangofload(n)Q2--duetoanchorbolttwisttightbydistr
5、ibutioninthepadirongroupShangofpressure(n),desirableboltofXuanti-stressR--basedortopingofunitsareacompressivestrength(MPa),desirableconcretedesignstrengthC--safety,shouldbetake1.5~3a,valuecalculationoutHou,Canbeselectedaccordingtothedatainthetable3-2.TabletiltingpadTeppei3-2Hornareacm2codelalbmate
6、rialmaterialcodeabchelical-1100110050≥54ordinarycarbonsteel50ordinarycarbonsteel50oblique2,12060≥56drawobliqueAllfilledup.3.7.2.3secondGroutingshouldbelocatedoutsidethetemplate,templatesareremoved,thesurfaceshouldbeflat,andsurfacetreatment.3.8theinstallationqualityoftheinstalledpumppumpequipment,i
7、sveryimportanttothestable 基础要求 1.具有数据库系统的基础知识。 2.基本了解面向对象的概念。 3.掌握关系数据库的基本原理。 4.掌握数据库程序设计方法。 5.能使用Access建立一个小型数据库应用系统。 考试内容 一、数据库基础知识 1.基本概念: 数据库,数据模型,数据库管理系统,类和对象,事件。 2.关系数据库基本概念: 关系模型(实体的完整性,参照的完整性,