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1、機械制造質(zhì)量分析與控制一、加工精度加工精度：幾何參數(shù)符合程度；加工誤差：幾何參數(shù)偏離大??；加工經(jīng)濟精度：正常加工條件下：標(biāo)準(zhǔn)設(shè)備、工藝裝備、技術(shù)等級的工人、加工時間。urbanarea2.5.2YibincityinYibincity,accordingtoresourceandenvironmentcharacteristicsUrbanpopulationandurbanspatialdistribution,spatialdistributionofindustries,majorinfrastructureCorridorlayo
2、ut,combinedwiththefuturedevelopmenttrendofsyntheticjudgments,planning,urbanspatialstructureofurbansystemcanbesummarizedas:"apolealongthetwoaxes"."A"referstothemetropolitanareaalongtheYangtzeRiver,isthecoreareaofthedevelopmentofthecity.PlanstobuildfortheYangtzeRivereconomi
3、cbeltonthepillar,advancingalongthe...GuangheRiver,Yiliang,prestigeoftheexternalcohesionofzhaotong,Yunnan,internalconnectingYibincitytotheNorth.TheSichuan-Yunnan-GuizhouborderareaofYibin,inthecityofzhaotong,liupanshuithree,zhaotongcity,themostpopulousandmostextensiveregion
4、s,themosteconomicallybackward,totheNorthinWumengmountainareaofyanjin,shuifu,suijiangcountiesradiationpowerisrelativelyweak.Yibincityandinfrastructureinsuchareasshouldbestrengthenedanddocking,extendingsouthwardtopublicservices,promotethedevelopmentofmineralresourcesinNorth
5、eastYunnan,expandoureconomichinterland,drivingsynchronousliftinginSichuan-Yunnan-Guizhouborderarea.Thisurbanaxiswithmineralresourceadvantages,focusonthedevelopmentofadvancedtechnology,comprehensiveutilizationofresourcesofhigherenergy,newbuildingmaterials,chemicalindustry,
6、developingnewenergyandminingtowns.Urbanspaceorganization-ingongxianCounty,Gao,junlianCountyCenterforareaorganizations,improve,Gao,Gong,junlianCountycomprehensiveservices,andpromotingregionaleconomicdevelopmentandpopulationgrowthoftheagglomeration.Alongthemaintrafficarteri
7、estoimplement"point-axisdevelopment"modekeyrepeatedly,Shahetown,XiaoZhen,LuotableZhen,Luotown,loveMuZhenandothertownsasdistrictdevelopmentfocusesoncitiesandtowns,promotethedevelopmentofdistrict二、獲得精度方法：1形狀：軌跡法------成形運動精度成形法------刀具、安裝展成法------刀具、傳動鏈2位置：機床、夾具精度3尺寸：試切法定尺寸刀
8、具調(diào)整法自動控制法urbanarea2.5.2YibincityinYibincity,accordingtoresourceandenvironmentcharacteristicsUrba
