信息分类编码体系是企业有效实施PD M的基础之一，而系统管理功能是维护PDM系统安全与稳定的保障。

Since the coding system of information classification is the basis of fulfilling the function of CIMS and PDM in the enterprise.

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因此，本文在研究风险管理与风险评估的基础上，提出了一种基于成本的安全措施选择方法，此方法同时也是一种最优化信息保障的方式。

So based on the research of risk management, this paper give an approach of security measures selection based on costs which also can optimization IA model.

youdao

因此，本文在研究风险管理与风险评估的基础上，提出了一种基于成本的安全措施选择方法，此方法同时也是一种最优化信息保障的方式。

So based on the research of risk management, this paper give an approach of security measures selection based on costs which also can optimization IA model.

youdao