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- optimized quad tree index 改进的四叉树索引
- This approach use tree index and theorem about leaforder region to evaluate semiflexible queries over ontology tree. 该方法通过建立索引和使用叶序区间判断SF-Condition(半柔性条件)是否满足实现本体上的半柔性查询求解。
- Proposed in this paper is a novel index CATI, namely, compact ancestor tree index, which can support XML structural join effectively. 介绍了一种全新的有效支持XML结构化连接的树索引CATI(compact ancestor tree index).
- quad tree segmentation technology 四叉树分割技术
- By the experiment, we can draw a conclusion that the cadastral vector data transformation based on B plus tree index is an efficient method and has a bright future. 实验表明，基于B+树索引的数据转换方法，可大幅度提高数据转换的效率，是实现数据共享有效可行的、很有前景的一种方案。
- Whether we are talking about binary trees, quad trees or octrees, it doesnt matter, just build the darn thing recursively. 不管我们讨论的是二叉、四叉还是八叉树，都没有区别，都是递归的方法。
- Meanwhile, we explicate the solution to some technical problems such as the data form, attribute relationship with graphics, the B + tree index of graphic cell of database, flows of data query, etc. 详细说明了在MAPGIS平台的支持下全国土地利用数据库的数据组织方式 ;以及外部属性与图形数据的关联方式、图库中图元的B+ 树索引的结构、数据检索、输出流程等关键技术问题的解决方案 .
- Based on ciphertext index and aiming at practical application on encrypted database,the paper designs a new ciphertext index by combining binary tree ciphertext index with B+ tree index. 在密文索引的基础上,针对实际密文数据库的应用,将二叉树密文索引和B+树索引相结合,设计了一种新的密文索引,并介绍了其查询方法,分析了其查询效率及安全性
- QUAD TREE PLANE SURFACE APPROXIMATION METHOD FOR IMAGE CODING 图像的四叉树平面编码
- The LOD Terrain Simplification Based on Quad Tree and Geomorphing Correction 基于四叉树的LOD地形简化及几何变形纠正
- As the car hit the tree he was snot out. 汽车扭在村上，他被猛地摔了出来。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- The car hit the tree with a sickening crash. 那辆汽车撞在树上发出让人难受的撞击声。
- An arrow whizzed past and stuck in a tree. 一支箭“飕”地一声飞过去，钉在一棵树上。
- The squirrel ran up a tree and got out of my reach. 松鼠跑到树上去了，我逮不着。
- The workers saw off a limb from the tree. 工人从树上锯下了一根大树枝。
- He is not made for climbing the tree of knowledge. 他不是生来适于攀登知识之树的。
- He tethered his horse to a tree. 他用绳子把马拴在树上。
- The ivy twined round the oak tree. 长春藤盘绕着橡树。
