We analyze RBAC concept model, compare it with traditional access control scheme, and demonstrate the necessity of implement RBAC in Enterprise Information Systems.

本文从理论上研究了RBAC的概念模型，并与传统的安全访问控制相比较，论证了在企业信息系统中采用RBAC的必要性。

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Finally, we use information economics, property economics and industry economics to demonstrate that enterprise brand cultivation can resolve the problem of cluster brand.

最后结合信息经济学、产权经济学、产业经济学，论证了通过打造企业品牌来解决区域品牌问题的有效性。

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