本文研究了PROTRADE决策分析方法，特别是在风险评审，效用一致性分析及其算法方面作了一些改进。
The paper discussed the PROTRADE method, especially, make some improvements in risk assessment, justice for consistency of preference and algorithm.
因为组合以及它们的环境是动态的，在整个组合的生命周期内，管理人员应当在一个有序的基础上，评审并更新他们的组合风险管理计划。
Since portfolios and their environments are dynamic, managers should review and update their portfolio risk management plans on a regular basis throughout the portfolio lifecycle.
这些过程应当包括针对组合在项目层次上的风险的负面影响进行评审，以保证项目经理拥有一个可靠的风险降低计划。
These processes should include reviews of project-level risks with negative implications for the portfolio, ensuring that the project manager has a responsible risk mitigation plan.
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