tree index中文什么意思

例句与用法

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1. Hbt lock on a heap or b - tree index
   Hbt =堆或b树索引的锁。
2. Nonclustered indexes have a b - tree index structure similar to the one in clustered indexes
   非聚集索引与聚集索引有一个相似的b树索引结构。
3. All internal data structures , such as b - tree indexes or doubly - linked lists , must be correct at the end of the transaction
   事务结束时，所有的内部数据结构（如b树索引或双向链表）都必须是正确的。
4. The clustered index is implemented as a b - tree index structure that supports fast retrieval of the rows , based on their clustered index key values
   聚集索引按b树索引结构实现， b树索引结构支持基于聚集索引键值对行进行快速检索。
5. Based on the technology and principle above , a experiment system was developed by the author . it provides the clew and method of building r - trees index based on gis platform . also , this paper introduces a strategy of implement of r - trees based on grass platform
   在上述技术和原理的基础上，最终实现了一个实验系统，提出了基于grass平台建立了空间矢量数据的r树索引的基本思路和实现方法，同时总结了技术上的不足和改进方案。