通过评价在两个消歧任务上的聚类结果，你需要探讨不同表示方法的优点并研究学习方法的性质。
By evaluating the resultant clustering on two disambiguation tasks, you will explore the merits of different representations and study the properties of the learning method.
元认知策略指的是学习者有意识的使用计划、监控和评价策略，对学习任务进行合理的调节。
The meaning of the metacognitive strategy is that the students are conscious of using planning, monitoring and evaluating strategies which can reasonably adjust the learning task.
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