bottom retrieval

基本解释

If mail order catalogs are your weakness, take them out to the garbage and push them down to the bottom to head off a middle-of-the-night retrieval.
如果邮购目录是你的弱点，把它们扔到垃圾箱底以防自己半夜再把他们找回来。
Content-based image retrieval technology has been a hot spot for a long time, but the effect of retrieval based on a single bottom feature is very poor.
基于内容的图像检索技术一直是图像检索领域的研究热点，但单一的底层特征检索效果往往比较差。
DRIS is a hierarchical distributed Internet information retrieval system. It can provide a set of information resources integration solution from the bottom layer to application layer.
域内资源整合系统是一种分层的分布式互联网信息检索系统，其提供了从底层到应用层的一整套互联网信息资源整合利用方案。