朱迪·布坎南说这些学生不具备评价网络信息质量的技能。
Judy Buchanan says these students have not developed the skills they need to judge the quality of online information.
导航系统是网络课程设计的重要环节，是评价网络课程的重要指标。
The design of navigation system is the most important process in developing web base course , and the navigation system is the critical estimated part in webbased course too.
作为评价网络学习效果的一个环节，网上考试越来越被人们接受和认同。
As an important component of evaluating the learning effect through network, web-based examinations are being gradually recognized and accepted.
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