图像资源的迅速增长使我们面临新的挑战，迫使人们对其索引与检索技术进行深入研究。
The rapid increase of image resources makes it necessary to develop technology for efficient image indexing and retrieval.
在此基础上建立了应用在基于事例的推理系统CBR中的基于IBL算法的索引与检索机制。
Finally, the index and retrieval mechanism based on IBL algorithm in CBR system can be given.
提出了客户需求知识的框架-规则表示方法及推理过程，对产品知识索引与检索方式进行分析。
The representation of client requirement knowledge based on frame - rule and its inference process are presented, the product knowledge index and retrieve are analyzed.
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