This paper firstly introduces the theory of normalization and denormalization in logical design of database.

  • 文中首先论述了数据库逻辑设计中的关系规范化与反规范化的问题.
  • 来源:网络文摘精选更新时间:2025-01-18 17:58:18

  • 重点词汇
  • andconj. 和,与;而且;于是,然后;因此;
  • ofprep. 关于;属于…的;由…制成;
  • normalizationn.正常化;标准化;正态化;
  • introducesv.提出( introduce的第三人称单数 );介绍;引进;作为…的开头;
  • databasen.数据库,资料库;
  • theoryn.学说;理论;观点;猜想;
  • designv.设计;制图;构思;计划;制定;制造;
  • papern.纸;报纸;材料;壁纸;论文;试卷;文件;
  • firstlyadv.第一,首先(主要用于列举条目、论点时);
  • logicaladj.逻辑(上)的;符合逻辑的;推理正确的;合乎常理的;
  • 相关例句
1、

Methods: The basic principle and procedure of picture normalization was analyzed detail.

方法详细介绍图像归一化处理的基本原理及归一化后图像灰度分布的变化.

网络文摘精选

2、

The United States says they are not prepared to join in normalizing ties with their former enemy...

美国表示他们不准备加入到和宿敌恢复正常关系的行动中。

《柯林斯高阶英汉双解学习词典》

3、

After normalization at higher temperature, V bearing steel obtains higher strength and almost the same toughness.

当加热温度较高时,在韧性与无V钢 相同的情况下, 加钒可显著提高车轮钢的强度.

网络文摘精选

4、

The visIt'signalled the normalization of relations between the two countries.

这次 访问显示 两国关系已经正常化.

《简明英汉词典》

5、

Having been established for over ten years, we become a scope enterprise of normalization and specialization.

创办十多年来, 已成为正规化、专业化的规模企业.

网络文摘精选

6、

The two governments were close to normalizing relations...

两国政府即将恢复正常邦交。

《柯林斯高阶英汉双解学习词典》

7、

The relative contents in percentage were calculated with Area Normalization Method.

面积归一化法计算相对含量.

网络文摘精选

8、

The interruptive normalization process for producing casting steel is studied.

对铸钢中断正火热处理工艺进行了研究.

网络文摘精选

9、

Measures are being taken to promote the normalization of relation between the two countries.

他们正采取措施以促进两国关系的正常化.

网络文摘精选

10、

Methods: The amount of the components from the essential components were determined by area normalization method.

方法用归一化法测定各组分的质量分数,并用GC-MS 法对其化学成分进行鉴定.

网络文摘精选

11、

But development towards normalization is still the main trend of the relationship.

中美经贸关系又合作又摩擦的基本态势仍将继续,但向正常化方向发展仍是其主流.

网络文摘精选

12、

Modular fixture is composed of standard parts with different shape, normalization and dimension.

组合夹具由不同形状 、 不同规格尺寸的标准元件组装而成.

网络文摘精选

13、

The method use FID and count by area normalization method.

该方法采用氢火焰离子化检测器(FID),并用面积归一化法进行计算.

网络文摘精选

14、

A new normalization method towards instruction substitution that was a commonly used metamorphism approach was proposed.

针对等价指令替换常用变形技术提出了相应的归一化方法.

网络文摘精选

15、

Our normalization is such that the curves in Fig. 3 can be regarded as probability distributions.

我们的标准化处理使得图3中的曲线可以被看作概率分布曲线.

网络文摘精选

16、

The visit signalled the normalization of relations between the two countries.

这次访问显示两国关系已经正常化。

词典精选例句

17、

Results The contents of logan in and morroniside 98 % by normalization method of HPLC.

结果所得马钱苷和莫诺苷用归一化法98%.

网络文摘精选

18、

Exercise is the best way to normalize the blood pressure.

运动是最好的血压调整方法.

互联网摘选

19、

And what we are trying to do is to normalize the relationship.

我们要去做的就是关系正常化.

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20、

Retinol is known to normalize the as it helps the skin stay soft , smooth and plump.

视黄醇是维生素A的 主要成分,帮助皮肤保持光滑和弹性.

互联网摘选

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