In a systemic demonstration of a new weapon system, the key technologies of CAIV include modeling of system cost and effectiveness, tradeoff study, and establishment of cost goals, etc.
在新研武器的系统论证中，CAIV方法的定量决策的关键技术包括建立系统的性能、费用模型，进行权衡研究，并确定寿命周期各阶段的费用目标。
To evaluate the cost/benefit tradeoff of our approach, which we call PBR-UP, we performed a case study in the context of a small software development project (an object-oriented information system).
为了评估我们的方法的成本/收益的权衡，我们称其为 PBR-UP，我们在一个小的软件开发项目环境中做了一个案例研究（一个基于对象的信息系统）。
STUDY SELECTION: in the first trial, the papers which wholly introduced the mental model theory and probabilistic theory were chosen, especially mentioned their disputation and tradeoff.
资料选择：对资料进行初审，选择全面介绍模型理论和概率理论的文献查找全文。特别是提到了它们之间的争论与融合的文献。
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