In portfolio selection model based on dependent-chance programming, we maximize the probability of the event that the total return rate is not smaller than a predetermined value.
二是基于相关机会规划模型：投资者首先确定一个收益目标，然后寻找证券组合以最大概率实现目标。
The profit rate, investment risk and transaction cost are synthetically considered in this new model, which is very useful in the portfolio selection.
在本模型中综合考虑了证券组合的收益，风险，交易费用等因素，对投资者选择有效证券组合有一定的实用价值。
With the consideration of synergetic benefits between different green technologies, a decision making model is proposed for green technology portfolio selection.
在技术方案选型方面，考虑不同绿色制造技术之间的协同效益，提出一种基于协同效益的绿色制造技术方案选择决策模型；
With the consideration of synergetic benefits between different green technologies, a decision making model is proposed for green technology portfolio selection.
在技术方案选型方面，考虑不同绿色制造技术之间的协同效益，提出一种基于协同效益的绿色制造技术方案选择决策模型；
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