因此，在讨论设计评价时，首先要对目前估算所需材料的设计思想。
Therefore, before discussing design evaluation, we will first present material on estimating requirements for design concepts.
目的设计以问题为中心的病案小组讨论教学法，在临床核医学核素治疗见习的教学实践中进行验证和评价。
Objective To design the teaching method of case-study team on problem-based learning, and verify and evaluate its teaching practice in clinical nuclear medicine.
该文在介绍其工作机理的基础上，主要讨论其在宽带小区接入中的应用，给出了相应的网络拓扑设计和技术实施要点，并对性能进行了评价。
This paper mainly discusses its application in the broadband campus accessing. Both the topology design and the deployment are introduced, and the features are evaluated.
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