For enriching the database system of special education with ideal retrieval function, the facet classification, post controlled retrieval and hyper chaining techniques are employed.
为了使特殊教育数据库系统具有较为理想的检索功能，本系统采用了分面分类技术、后控检索技术、超链接技术。
On the project post-evaluation, the thesis introduces its conception, characteristics, classification, and discusses its basic process, main content and its guideline system.
关于项目后评价则主要介绍了后评价的概念和特点、分类，探讨了后评价的基本步骤、后评价的主要内容、后评价的指标体系等。
On the project post-evaluation, the thesis introduces its conception, characteristics, classification, and discusses its basic process, main content and its guideline system.
关于项目后评价则主要介绍了后评价的概念和特点、分类，探讨了后评价的基本步骤、后评价的主要内容、后评价的指标体系等。
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