That includes analysis of learning need, analysis of teaching targets and contents, teaching strategies, the choice of teaching media, feedback and helping.
其中包括学习需要分析，教学目标和教学内容分析，教学策略，教学媒体的选择以及反馈与帮助。
Clustering analysis is important part of data mining. It is an unsupervised learning process and it doesn't need prior knowledge about data set.
聚类分析是数据挖掘重要的组成部分，它是一种无监督的学习方法，不需要关于数据集的先验知识。
Some machine learning systems attempt to eliminate the need for human intuition in data analysis, while others adopt a collaborative approach between human and machine.
一些机器识别系统试图排除数据分析对于人类直觉的必要，同时其他一些采取了人机互动的方法。
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