正则树的英文
发音:
"正则树"怎么读用"正则树"造句
英文翻译手机版
- regular tree
- "正"英文翻译 the first month of the lunar ...
- "则"英文翻译 standard; norm; criterion
- "树"英文翻译 tree
- "正则树变换" 英文翻译 : regular tree transformation
- "正则树文法" 英文翻译 : regular tree grammar
- "正则" 英文翻译 : holomorphic; holomorphy; masanori
- "谭正则" 英文翻译 : tan zhengze
- "正则包" 英文翻译 : envelope of holomorphy
- "正则层" 英文翻译 : regular sheaf
- "正则簇" 英文翻译 : regular variety
- "正则的" 英文翻译 : canonical; holomorphic; regular
- "正则地" 英文翻译 : canonically
- "正则点" 英文翻译 : regular point
- "正则管" 英文翻译 : regular tube
- "正则弧" 英文翻译 : regular arc
- "正则化" 英文翻译 : normalization; regularization
- "正则环" 英文翻译 : regular ring
- "正则集" 英文翻译 : regular set
- "正则链" 英文翻译 : regular chain
- "正则列" 英文翻译 : regular column
- "正则模" 英文翻译 : modulus of regularity
- "正则区" 英文翻译 : regular field
- "正则图" 英文翻译 : regular graph
- "正则项" 英文翻译 : regular terms
- "正则型" 英文翻译 : normal mode
例句与用法
- Regular tree transformation
正则树变换 - Regular tree grammar
正则树文法 - Aiming at this problem , the main research issues and achievements in this paper are as follows : bi - directional data transformation between rdb and xml with semantic constraints preserved for most of existing researches on static data transformation between xml and rdb , dtd is taken as the schema description language for xml , and the semantic constraints are often lost during the transformation process . to overcome these disadvantages , the author adopts xml - schema , a standard schema description language proposed by w3c to replace dtd , as the description method owing to its more powerful functions than dtd , and of course with the syntax much more complicated . after analyzing the constraints characteristics in both xml - schema and relational schema , a semantic constraints - preserved algorithm is proposed which can realize the bi - directional schema mapping between rdb and xml through a formalized description of xml based on regular tree and a general expression for relational schema based on direct graph approach
保留语义约束的xml与rdb双向静态数据转换技术现有研究大多采用dtd ( documenttypedefinition ,文档类型定义)作为xml的模式描述语言,并且在模式映射过程中丢失语义约束信息,本文分析了xml - schema ( xml - schema采用与dtd完全不同的语法,数据描述能力更强同时也更为复杂,已被w3c确定为替代dtd作为xml模式描述语言的标准)及关系模式的语义约束特征,通过基于正则树的xml形式化描述方法以及基于有向图的一般关系模式表示方法的研究,建立保留语义约束的xml - schema与关系模式的双向模式映射算法,实现了xml与rdb的双向数据转换,较好地解决了xml与rdb在静态数据转换层面的数据集成问题,可有效满足企业大量rdb数据面向xml的发布以及与日俱增的xml数据存入rdb的应用需求。
相关词汇
"则周"英文, "则正"英文, "英则"英文, "政则"英文, "能则"英文, "正则"英文, "献则"英文, "则心"英文, "则末"英文, "正则射影变换"英文, "正则时间单位"英文, "正则时信号"英文, "正则收敛"英文, "正则收敛级数"英文, "正则树变换"英文, "正则树文法"英文, "正则双曲算子"英文, "正则四端网络"英文,
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