In fact, TFDs are proper extensions of traditional functional dependencies ( FDs).

  • 实际上,TFDs与传统的函数依赖(FDs)之间存在着密切的联系。
  • 来源:互联网更新时间:2025-03-18 08:32:17

  • 重点词汇
  • dependenciesn.属国,附庸国( dependency的名词复数 );
  • tfdsabbr.tactical ferret display system 战术电子侦察机显示系统;
  • extensionsn.延长( extension的名词复数 );延伸;[逻辑学] 外延;扩展名;
  • factn.事实;真相;资料;
  • functionaladj.功能的;[数]函数的;有多种用途的;机能性;
  • traditionaladj.传统的,习俗的,惯例的;守旧的;
  • properadj. 适当的,相当的,正当的,应该的,正式的,正常的;固有的,特有的,独特的;本来的,真正的,严格意义上的;〈古〉漂亮的,优美的;
  • ofprep. 关于;属于…的;由…制成;
  • inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
  • arevi.(用于第二人称单复数现在时,第一、三人称复数现在时)是;
  • 相关例句
1、

The essay introduces the principle, composing, function and information management of TFDS system, and summarizes the change of train examination work brought by the system and the fruit after application of the system.

介绍TFDS系统原理、组成、功能及信息资源管理,概述系统给列检工作带来的转变和系统运用取得的成果。

互联网

2、

Trouble of Moving Freight Car Detection System ( Shortname: TFDS) is an important part of railway vehicle safety precaution and early warning systems, which can ensure the safety of railway transportation.

货车运行故障动态检测系统(Trouble of Moving Freight Car Detection System,简称TFDS)是铁路车辆安全防范、预警系统(5T系统)的重要组成部份,它对确保铁路运输安全具有十分重要的意义。

互联网

3、

For the temporal schemes with a totally ordered set of temporal types, by analyzing good properties of sets of TFDs, a polynomial algorithm that may obtain lossless decompositions satisfying the temporal third form ( T3NF) is given.

对于这种具有全序时态类型集的时态模式,通过分析TFD集所具有的良好特性,给出了一个得到满足时态第三范式(T3NF)的无损分解的多项式时间的算法。

互联网

5、

A crucial problem that needs to be solved for normalization of temporal databases is to compute the membership problem for sets of TFDs.

类似于传统的函数依赖(FDs),TFD集的成员籍问题是时态模式规范化所要解决的一个关键问题。

互联网

6、
7、

A crucial problem that needs to be solved for normalization of temporal databases is to compute the finite closure of attributes for TFDs.

时态模式规范化所要解决的一个关键问题是求解时态函数依赖的有限属性闭包问题。

互联网

8、

She let her free hand slide through her freshly cut hair.

她让有空那只手滑过她刚剪好的头发.

互联网

9、

Because these fluctuations are so faint, the team studied more than 700 galaxy clusters.

由于这些波动非常微弱, 研究团队研究了700之多的星系群.

互联网

10、

Furthermore, the team set up an experimental field in which they manipulated the evenness of predators.

此外, 研究团队还设置了一块实验田,操控里面甲虫天敌的平衡.

互联网

11、

The research team is seeking between 500 and 1000 anonymous volunteers to assist in their research.

这个研究团队正在寻找500到1000名匿名的志愿者以援助他们的研究.

互联网

12、

Two teams of researchers published new genetic insights in the journal Science.

两只研究团队在科学杂志上发表了新的基因研究成果.

互联网

13、

They bound him to a stake and burned him to death.

他们将他绑在火刑桩上,将他烧死.

辞典例句

14、

Ten people burnt to death in the hotel fire.

旅馆失火烧死了十人.

辞典例句

15、

Several children were burnt to death in the fire.

几个儿童在大火中被烧死了.

辞典例句

16、

At least 80 people were burnt to death when their bus caught fire.

大客车着火导致至少80人被烧死。

柯林斯例句

17、

The phenomena of love on line have drawn more and more attention and thoughts.

网恋现象已开始引起越来越多的人的关注和思考.

互联网

18、

Yes ah, the sweet courtship is still ears, that lovestruck women still dream the dream.

是啊, 网恋中的甜言蜜语还在耳边回响, 那痴情的女子还在梦中美梦.

互联网

19、

Do you believe in love on the Internet?

你相信网恋 吗 ?

互联网

20、

When she opened the door, she saw the bathtub was full of blood.

当她开门后, 看到澡盆里都是血.

互联网

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