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union rule

网络释义专业释义

  合并规则

北京邮电大学软件学院 郭文明 2003.06 《数据库设计与开发》讲义 • Armstrong公理的一些逻辑蕴涵: –合并规则(Union rule):如果X→Y且X→Z,那么X→YZ。 –分解规则(Decomposition rule):如果X→YZ,那么 X→Y且X→Z。

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  合并律

合并律(Union Rule):如果X→Y和X→Z成立, 那么X→YZ成立,即若F ? X→Y,F ?

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  联集法则

(g) QX → YZ,由式(c)、(d),以联集法则(Union Rule) 得证。

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短语

The Union Rule 合并规则

Union-Rule Configuration 并规则结构

union rule of functional dependencies 函数相依联合规则

union inference rule 并推理规则

rule-union operator 规则并算子

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  • 联合规则

·2,447,543篇论文数据,部分数据来源于NoteExpress

双语例句原声例句权威例句

  • Also determined is a measure of the degree to which all applications are supported by a compromise parameter determined by the union rule.

    确定通过联合规则确定折衷参数支持全部应用程序程度量度

    youdao

  • The European Union, Britain and Italy have all said Mr. Gadhafi's rule is coming to an end, and urged the Libyan leader to step down in order to avoid more bloodshed.

    欧盟英国意大利表示利比亚领导人卡扎菲统治正在走向尽头,它们呼吁避免更多的流血牺牲,卡扎菲应该下台。

    youdao

  • No outside power has ever prevailed by establishing central rule, as Britain learnt in the 19th century and the Soviet Union in the 20th.

    这里从未有让任何一个外来势力通过建立中央统治而甘心臣服19世纪英国试过,20世纪苏联也试过。

    youdao

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  • In remarks to reporters, German Defense Minister Franz Joseph Jung suggested that security would be beefed up with the recent deployment of a European Union Rule of Law Mission in Kosovo,or EULEX, and the expansion of Kosovo's own security force in the coming months.

    VOA: standard.2009.06.11

  • The meeting violated a long-standing rule of Egypt's press syndicate, or union,that forbids any contact between its members and Israelis.

    VOA: standard.2009.10.08

  • The European Union suspended aid because it says the government is committing "grave violations" of the rule of law and democratic values.

    VOA: standard.2009.08.14

  • At least in rhetoric, the Tories stood for rolling back the state, while Labour was associated with nationalisation and trade union rule.

    ECONOMIST: The Liberal Democrats

  • Business would prefer no union recognition rule at all, although it accepts Labour's idea that workers dismissed for striking legally should be allowed to seek compensation.

    ECONOMIST: Tony Blair��s business affair

  • So long as there is no chance of a bail-out by the centre and the rules of Europe's monetary union specifically rule this out default risk will remain with the borrower and be reflected in its bond yields.

    ECONOMIST: Europe's single-currency rules

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