Design the distributed resources fetcher system, which can adjust the number of resources fetchers dynamic, and make sure the work of communication and cooperation between the fetchers.

• （4）通过对常用特征提取算法的比较，提出基础教育资源的多重特征选择方法，通过该方法提高了基础教育资源特征选择的准确性及特征的区分能力。