Notice also that in case of error, the function returns NULL.

Normal Form Theory of Relational Database under Fuzzy Null Value Circumstances

模糊空值环境下关系数据库的范式理论

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A query processing method under null values environment in relational databases

空值环境下关系数据库查询处理方法

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A spokeswoman said the agreement had been declared null and void

女发言人称该协议已宣布无效。

《柯林斯高阶英汉双解学习词典》

Null Steering Using Genetic Algorithms by Controlling Only the Current Phases

基于遗传算法的唯相位控制方向图零点生成

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Comparison of Several Methods for Digital Beam Null Forming

几种数字波束零点形成方法的比较

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Aleynikov told federal agents that he didn't intend to hand over Goldman's secret code to anyone.

阿列尼科夫对联邦特工表示,他不打算将高盛的秘密代码交给任何人.

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What is Your Secret Code, NOKIA?

诺基亚,你成功的秘诀是什么?

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Choose what the secret code is, and write down the number.

在下列句子中找出密码, 并写出序号.

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Efficacy of Cypher~ ( TM) Stent in Patient with Coronary Heart Disease

Cypher~（TM）支架治疗冠心病的疗效观察

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Early and short-term clinical evaluation of CYPHER drug-eluting coronary stenting

CYPHER药物涂层冠状动脉支架的临床应用

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Public-private key combination is at the heart of public key infrastructure, and is based on asymmetric cypher.

公钥-私钥组合是公共密钥基础设施的核心，建立在非对称密码的基础上。

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But in protecting the British Empire from a revived Germany, the Code and Cypher School was less vigorous.

但是为了防止英国变成第二个德国，编码密码学校并不是非常活跃。

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A: Cypher is getting married, do you know that?

Cypher就要结婚了，你知道吗？

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Their potential longevity was 4-8 years.

他们的生命力是4-8年.

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The interior life was a source of identity and of power.

内在的生命力是个性和力量的源泉.

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She carried within herself a great fund of life.

她身上蕴藏着无限的生命力.

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I know what it means to lose a child under such tragic circumstances.

我明白在这种悲惨的情况下失去孩子的滋味。

《柯林斯高阶英汉双解学习词典》

Pictures add interest to plain painted walls.

相片给素色的墙面增添了一抹情趣。

《柯林斯高阶英汉双解学习词典》

She forgot to do up the zip.

她忘了拉上拉链.

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Returns an input stream for reading the contents of the specified ZIP file entry.

返回读取指定ZIP文件项内容的输入流.

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