简介：Corecompetitivenessisthesourceofcompetitiveadvantagesaswellastheguaranteeofvaluegrowthoftheenterprise.Thispaperdiscussesthecauseoftherisksofthecorecompetitivenessofenterprisesandthewestenterprise,introducesanalyticalmethodsoftherisksofthecorecompetitivenessandmeasuresguardagainsttherisksofthecorecompetitiveness.

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简介：ThispaperfromtheunifiedvisualangleofphilosophyandeconomicshasobservedMarx'stheoryofecologicaleconomics,clarifiedthemisunderstandingonMarx'stheoryofnatureandecologicalenvironmentalthoughtathomeandabroadforalongtime,studiedsystematicallyanddeeplytheMarx'sthoughtthatnaturalandecologicalenvironmentisexternalconditionandinternalelementsofhumansocialeconomicgrowth,confirmedfirstlyMarxistheforerunnerwhoestablishedthetheoryofinternalcauseofnaturalecologicalenvironment.Itisoffar-reachingacademicandpracticalsignificance.

简介：在fedoracorelinux操作系统中用VMwareWorkstation虚拟机软件在一台计算机上,安装Windows或Linux操作系统,实现同时运行多个操作系统,单机构建网络环境,共享文件和Internet。