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null

美 [nʌl]英 [nʌl]
  • adj.无效的;零值的;等于零的
  • n.空位;无信号;数字零;空白符号
nullnull

adj.

technical 术语零值的;等于零的
having the value zero

a null result

毫无结果

习语

null

频次

  • 1
    PHRASE (协议、宣言或选举结果)无法律效力的,无效的
    If an agreement, a declaration, or the result of an election is null and void, it is not legally valid.

    A spokeswoman said the agreement had been declared null and void...

    女发言人称该协议已宣布无效。

noun

1
a quantity of no importance
it looked like nothing I had ever seen before
reduced to nil all the work we had done
we racked up a pathetic goose egg
it was all for naught
I didn't hear zilch about it
Synonym: nothing nil nix nada aught cipher cypher goose egg naught zero zilch zip zippo

adj

1
lacking any legal or binding force
null and void
Synonym: void

数据来源:WordNet

  1. A promise obtained by force is legally null .

    一个以武力获得的契约在法律上是无效的。

  2. I know . Well , I have to take it back . It 's null and void .

    我知道,我得收回我的话,那是无效的

  3. A spokeswoman said the agreement had been declared null and void

    女发言人称该协议已宣布无效。

  4. The agreement will be considered null and void .

    该协议将被视作无效。

  5. The declaration was null and void as it was proclaimed in completely illegal circumstances .

    该声明无效,因为它是在完全非法的情况下宣布的。

  6. Parameters such as database name and table name are null .

    数据库名和表名等参数为空。

  7. 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

  8. You can also test with a null parameter to see what happens .

    您也可以使用一个空值参数来测试,看结果是什么。

  9. The corresponding field in the business object is automatically set to null .

    业务对象中的对应字段将自动设置为空。

  10. Comparison of Several Methods for Digital Beam Null Forming

    几种数字波束零点形成方法的比较

  11. Feature Extraction Method of LDA Based on Symmetrical Null Space Criterion

    对称零空间准则下的LDA特征抽取方法

  12. Research on the Proportion of Null Hypothesis in Multiple Hypothesis Testing

    多重假设检验中原假设比例问题的分析研究

  13. The method was called with a null message .

    此方法已通过空消息调用。

  14. Full and Part Functional Dependencies Under the Null Values Environment

    空值环境下的完全函数依赖和部分依赖

  15. Hold conditions of data dependencies under the null value circumstances

    空值环境下的数据依赖保持条件

  16. The text for this property cannot be blank or NULL .

    此属性的文本不能为空白或为空。

  17. The exist - null combination method for the topological optimization of plane membrane structure

    平面膜结构拓扑优化的有无复合体方法

  18. Regulation of Difference of Null Point Difference for Leveling Staff

    水准标尺零点差之差的调整

  19. Using 5 Valued Logic Under Complete Semantics of Null Value

    空值完全语义下五值逻辑的使用

  20. To enable this feature , change the null values to zero .

    要启用该特性,将null值改为0。

  21. If the return value is an object , the default is null .

    如果返回值是一个对象,默认为空值。

  22. That is why the null check was put in .

    这就是使用null检查的原因。

  23. This method has one parameter that you can set to null or a number of other values .

    这个方法有一个参数,可以把它设置为null或许多其他值。

  24. Can 't create a collection on a null table .

    不能在空表上创建集合。

  25. An empty or null array is not a valid return value .

    空的或null数组不是一个有效的返回值。

  26. The Realization of Null - watermark Algorithm in the Protection of Engineering Drawings

    零水印算法在工程图中的应用实现

  27. The finite dimensional approximation of bifurcation solutions with two dimensional null spaces

    具有二维核空间的分支解的有限维逼近

  28. Commutation Algorithm toward Null Value for Data Dependent on Satisfactory Conditions in Relational Database

    关系数据库的空值与数据依赖满足性变换算法

  29. Would set variable phone to NULL .

    将设置变量电话为NULL。

  30. Always make sure that you are not accessing null pointers .

    始终要确保您不是在访问空指针。

  • 习语

adj.

null and void

无法律效力的;无效的
having no legal force; not valid

The contract was declared null and void.

合同被宣布无效。