为了提高检索效率，必须建立高效的空间索引机制。
In order to improve the search efficiency, we must establish a highly efficient spatial indexing mechanism.
空间数据库系统通过引入空间索引机制来提高空间数据操作的效率。
Efficient processing of operations in spatial database systems relies upon auxiliary spatial indexing mechanism.
论文采用动态TRIE索引树的词典机制，设计并实现了汉语分词词典，有效地减少了词典空间。
In this paper, the dictionary mechanism is dynamic TRIE tree, and we have designed the Chinese word segmentation dictionary. The dictionary USES less memory.
通过合理的资源调配、高效时空索引和动态缓存机制来提高空间变化过程动态可视化的效率。
Additionally, visual efficiency of dynamic spatial variation has been improved by reasonable resource arrangement, high effective spatial-temporal query and dynamic cache mechanism.
本文从定量方面就汉字全文数据库的单汉字、词索引两种机制在空间、时间、检索效率等方面进行比较分析。
A quantitative study for two kinds of indexing mechanism of the Chinese full-text database is given, based on the quantitative analysis of capacity, time, retrieval efficiency.
本文从定量方面就汉字全文数据库的单汉字、词索引两种机制在空间、时间、检索效率等方面进行比较分析。
A quantitative study for two kinds of indexing mechanism of the Chinese full-text database is given, based on the quantitative analysis of capacity, time, retrieval efficiency.
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