中英
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semantic constraints中文是什么意思
- 中文翻譯
- 造句
- 語義約束
- semantic adj. 語義(學(xué))的。
- constraint n. 1.強迫，拘束。 2.約束，壓抑，拘泥。 3.強制 ...
- constraints 變動極限; 控制信號范圍; 系統(tǒng)規(guī)定參數(shù); 限制條件; 約束條件; 制約因素
- accessibility constraints 訪問約束
- aeroelastic constraints 空氣動力彈性限制
- age constraints 年齡約束
- binding constraints 綁定約束
- biological constraints 生物約束（因素）
- bottleneck (constraints) 瓶頸制約
- conflicting constraints 約束不一致的
- consistency constraints 一致性約束
- constraints and dependencies 限制條件/依賴條件
- constraints management 約束管理
- corporate constraints 公司限制因素
- create constraints 生成約束條件
- definition of constraints 約束條件的限定
- design constraints 設(shè)計約束條件; 設(shè)計制約條件
- difference constraints 差分約束
- dimension constraints 尺寸約束
- dual constraints 對偶約束
- economic constraints 經(jīng)濟約束; 經(jīng)濟制約
- economical constraints 經(jīng)濟約束
- engineering constraints 工程技術(shù)約束
- environmental constraints 環(huán)境限制；環(huán)境制約；環(huán)境約束; 環(huán)境制約
- equated constraints 相等約束
- However , certain semantic constraints can be expressed as syntactic ones
然而，某些語義約束可以表達為語法約束。 - Occurs when stored data fails to satisfy certain syntactic or semantic constraints
在已存儲的數(shù)據(jù)不能滿足某些句法或語義約束時發(fā)生。 - Semantic constraints on the nouns in chinese quot; adverbs of degree noun quot; constructions
句法手段對名詞性并列結(jié)構(gòu)中語義量級的強制 - Your document rules primarily concern nesting of elements , not semantic constraints on contents as in prose markup
您的文檔規(guī)則主要考慮元素的嵌套而不是內(nèi)容的語義約束（如同使用散文標(biāo)記） 。 - No syntactic constraints are imposed on the ways in which expressions can be composed though the language does have some semantic constraints
雖然語言具有語義約束，但對于表達式的構(gòu)造方式卻沒有施加語義約束。 - The relax ng compact syntax provides a much less verbose , and easier to read , format for describing the same semantic constraints as relax ng xml syntax
Relax ng緊湊語法提供了一種格式用于描述與relax ng xml語法相同的語義約束，這種格式更簡潔、更易于閱讀。 - 2 ) based on xml keys which define the semantic constraints of xml document , we present a storing method , which stores xml documents while conserving their key constraints
2 )基于xml鍵約束的概念，提出了一種將xml文檔保持xml鍵約束地映射到關(guān)系數(shù)據(jù)庫中的方法。 - This bug occurs when stored data fails to satisfy certain syntactic or semantic constraints ; when software crashes due to an error , not in the coding , but in the data the code is manipulating
這種錯誤在已存儲的數(shù)據(jù)不能滿足某些句法或語義約束時發(fā)生；此時軟件會因為代碼操縱的數(shù)據(jù)中的錯誤而不是編碼中的錯誤而崩潰。 - 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
保留語義約束的xml與rdb雙向靜態(tài)數(shù)據(jù)轉(zhuǎn)換技術(shù)現(xiàn)有研究大多采用dtd ( documenttypedefinition ，文檔類型定義)作為xml的模式描述語言，并且在模式映射過程中丟失語義約束信息，本文分析了xml - schema ( xml - schema采用與dtd完全不同的語法，數(shù)據(jù)描述能力更強同時也更為復(fù)雜，已被w3c確定為替代dtd作為xml模式描述語言的標(biāo)準(zhǔn))及關(guān)系模式的語義約束特征，通過基于正則樹的xml形式化描述方法以及基于有向圖的一般關(guān)系模式表示方法的研究，建立保留語義約束的xml - schema與關(guān)系模式的雙向模式映射算法，實現(xiàn)了xml與rdb的雙向數(shù)據(jù)轉(zhuǎn)換，較好地解決了xml與rdb在靜態(tài)數(shù)據(jù)轉(zhuǎn)換層面的數(shù)據(jù)集成問題，可有效滿足企業(yè)大量rdb數(shù)據(jù)面向xml的發(fā)布以及與日俱增的xml數(shù)據(jù)存入rdb的應(yīng)用需求。
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