它返回测量结果，您可以使用这些结果来评估服务器性能和服务器系统成本。
It returns measurements that let you evaluate server performance in relation to the server system's cost.
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）。
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).
本月初，奥巴马说，他将推动导弹防御系统，因为伊朗仍是一个“真正的威胁”，但他补充说，该系统需要“成本效益和评估。”
Earlier this month, Obama said he would move ahead with the missile shield as Iran remained a "real threat" but added that the system needed to be "cost-effective and proven."
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