简介：利用勒贝格可测函数的本性化定理的性质，给出一个特征函数与狄里克莱函数有些相仿的勒贝格不可测集。

简介：<正>NatureandaimoftheGroupGorporationChinaHydropowerEngineeringConsultingGroupCorporationsetupattheendof2002withtheapprovaloftheStateCouncilhadrestructuredsevenresearchinstitutesofinvestigationanddesign(Beijing,EastChina,Northwest,Mid-south,Chengdu,Guiyang,Kunminginstitutes)andChinaWaterResourcesandHydropowerConstructionEngi-

简介：<正>ChinaPowerEngineeringConsultingGroupCorporationestablishedonthefoundationofChinaPowerEngineering(Group)CompanyLtd.affiliateseightsolely-ownedemterprisesandcompaniesandaninstitution,theyare:Northeast,EastChina,Central-South.NorthwestandSouthwestpowerdesigninstitutes,EngineeringCompanyLtd.underGuohuaNorthChinaPowerDesignIn-stitute,ChinaPowerConstructionConsultationCorporation,ChinaPowerEngineeringConsultation(Group)CompanyLtd,andthePowerPlanningandDesignGeneralInstitute.

简介：<正>NatureoftheGroupCorporationChinaWaterResourcesandHydropowerConstructingGroupCorporationisastate-ownedenterpriseapprovedbytheStateCouncilandorganizedonthefoundationofChinaWaterResourcesandHydropowerEngineeringConstructionCompanyandrelevantenterprisesundertheformerStatePowerComorationofChina.Itsmainmembershipincludes23solely-ownedenterprisesand2stockholdingenterprises.

简介：从我国企业集团财务公司发展的现状及影响因素出发，探讨转型期我国财务公司发展的基本思路。

简介：提出了1个四粒子团簇态隐形传送的理论方案。该方案利用1个三粒子GreenbergerHorneZeilinger（GHZ）态和2个EinsteinPodotskyRosen（EPR）态作为量子信道，对Alice拥有的粒子进行3次Bell基测量和1次投影测量，使得Bob端的4个粒子建立起纠缠关系，根据测量结果再对这4个粒子做相应的局域酉变换，完全在Bob端恢复出Alice端的团簇态，最终实现任意四粒子团簇态的隐形传送。