nulls怎么读

同义词：voids

nulls的意思释义

n. 无意义暗码；[电子] 零位（null的复数）

v. 使无效；取消（null的单三形式）

英英释义

null

n.a quantity of no importance

同义词：nothingnilnixnadaaughtciphercyphergoose eggnaughtzerozilchzipzippo

adj.lacking any legal or binding force

\"null and void\"

同义词：void

nulls用法及例句

词汇搭配

短语

nulls filling零点填充

spectral nulls频谱零点

Allow Nulls允许为空

SQL NULLS值是遗漏的未知数据

nulls poena sine lege法无规定不为罪

Skelegons To Nulls骨架转换为虚物件

testis nus testis nulls孤证不足为凭

Attribute Name nulls Domain在“多表”中插入一个外键建立关

cone of nulls 零锥 ; 翻译

更多收起网络短语

词组短语

null and void无效的

null hypothesis零假设；虚假设；解消假设

null space零空间

null value空值

null pointer空指针

null string空行；空串

双语例句

Forthisreportrunonly

nulls

are beingsuppressedonboththerowandcolumnedge of the crosstab.

对于该报表运行，仅在交叉表的行和列边缘上抑制了

nulls

。

Sincetherequirementis toonlysuppress

nulls

, the visualnullsuppressioncan bereplacedby theNullsuppressionontheactualquery.

因为需求是仅抑制

nulls

，可视的nullsuppression可由实际查询上的Nullsuppression替换。

At this point, it would be timeto askthereportauthorwhether or not theyactuallyneedthedivByZero,zeroandoverflowsuppression,orwhether or nottheyjustwantedtosuppress

nulls

.

此时，正是时候询问报表创建者是否真的需要divByZero、zero和overflowsuppression，或他们是否仅想要抑制

nulls

。

更多双语例句

例句参考

Adaptive nulls for testing off-axis segments of aspherics

On codes with spectral nulls at rational submultiples of the symbol frequency

Can we use the universal instance assumption without using nulls?

Linear antenna array pattern synthesis with prescribed broad nulls

Security instrument data system without property inapplicable nulls

Coset codes for partial response channels; or, coset codes with spectral nulls

Three-dimensional kinematic reconnection in the presence of field nulls and closed field lines

Geometrical properties of three-dimensional reconnecting magnetic fields with nulls

Adaptive noise-predictive partial-response equalization for channels with spectral nulls

Precoded and vector OFDM robust to channel spectral nulls and with reduced cyclic prefix length in single transmit antenna systems

nulls相关例句

1. The number of NULLs in the column.

列中null值的个数。

2. The CWF fields must be padded with SPACES (not NULLS).

CWF字段必须带空格(而不是NULL)。

3. The value for the first key is 4 bytes long and it is entirely NULLs.

第一个键的值为4字节且其完全为 NULL。

4. Nulls are not matched to any value, including other instances of null.

空值不与任何值匹配，包括其他实例的空值。

5. Likewise, if the NULLS last option is used, the last partition must end with MAXVALUE.

同样，如果使用NULLS LAST选项，较后一个分区必须结束于MAXVALUE。

6. RPG uses a 1 character field (like an indicator) to determine if a column contains nulls.

RPG使用一个1字符字段（比如一个指示符）来确定列是否包含空值。

7. That code would have created a new trail with a Trail object with nulls for all attributes.

这个代码应当创建一条新路线，该路线有一个所有属性都为null 的Trail对象。

8. The general requirement for these algorithms is that the container does not contain any nulls.

这些算法的通用要求是，容器不能包含任意空值。

9. For this report run only nulls are being suppressed on both the row and column edge of the crosstab.

对于该报表运行，仅在交叉表的行和列边缘上抑制了nulls。

10. SQL/XML is good if you want results returned as sets and missing XML elements represented with nulls.

如果您希望将结果作为集合返回，且将丢失的XML元素表示为空，那么SQL/XML有优势。

11. For each of the columns, be sure to select the right data type and to uncheck the Allow Nulls options.

对每个列，要确保选择了正确的数据类型，并取消“允许为空”复选框。

12. The two nulls indicate that we do not want to change the last access time or creation time for this file.

这两个null指出，我们不想改变这一文件的较后访问时间或者创建时间。

13. It\'s the situation where, for instance, someone passes a null value to a method not coded to handle nulls.

比方说，把null值传入一个并未编写如何处理null值的方法中，这就是一种边界情况。

14. Define a primary key to enforce uniqueness for values entered in specified columns that do not allow nulls.

定义主键以对不允许空值的指定列中输入的值强制唯一性。

15. SQL USES a small integer which contains a zero if the column is not null or -1 if the column contains nulls.

如果列不包含空值，则SQL使用一个包含一个0的小整数；反之则包含- 1。

16. While a normal index can be used, it wastes a lot of space for nulls you are probably not going to query against.

如果使用普通索引的话，即使你并不打算对它进行查询，它也会因为null值浪费大量的空间。

17. It is important to note that when the NULLS first option is specified, the first partition must start at MINVALUE.

一定要注意，当指定NULLS FIRST选项时，第一个分区必须从MINVALUE开始。

18. In the bulk copy, all you need to do is select only those rows that have no nulls in the latitude and longitude columns.

在批量复制中，只选择在latitude和longitude列中没有null值的那些行。

19. Finally, if you lack email addresses for some Gold customers, you may want to write a query to exclude nulls from the result set.

较后，如果有些Gold客户没有email地址，那么可能要编写一个查询从结果集中排除null值。

20. An easy way to do this is to enable the REL function after zero check is disabled, which nulls out the charge reading caused by the hop.

为做到这一点，简单的做法是，在零点检查关闭之后打开REL功能，这样就能把零跳的读数消除掉。

21. Since the requirement is to only suppress nulls, the visual null suppression can be replaced by the null suppression on the actual query.

因为需求是仅抑制nulls，可视的nullsuppression可由实际查询上的null suppression替换。

22. If one record set has more rows than the other, data in that column will continue while nulls will be displayed for the other as seen below.

如果一个记录集比另一个多，此列中的数据将会继续增加，而另一个显示null，如下所示。

23. The additional column can have a (false) default value that is modified only when the partner column has a value, avoiding the need for nulls.

这个额外的列可以拥有一个(假)默认值，这个值仅在partner列有值时才被修改，从而避免使用null值。

24. In particular, the final example of translating new line characters to nulls would not work if some file names already contained new line characters.

尤其是在较后一个例子中，如果一些文件名已经包含新行字符串，那么将新行字符串转换成null字符串将导致错误。

25. Numerical results show the effectiveness of the proposed technique, the null depth levels obtained are lower than those reported in the literatures. Nulls are imposed both...

计算实例说明提出的算法十分有效，获得了比已有文献更低的零深，并且可以在主瓣附近或旁瓣区生成零点，也可以在对称主瓣两侧方向生成零点。

26. This paper deals with the semantics of null values in functional dependencies in database theory, and presents three different definitions of FDs in a single relation with marked nulls.

本文研究关系数据库理论中空值在函数依赖中的语义问题，提出了带标志空值的关系中函数依赖的三种定义。

27. The default model binder also cannot assign a null value to a property that does not accept nulls. In particular, the model binder cannot assign a null value to the UnitsInStock property.

默认的模型绑定器同样不能指定一个null值到一个不允许为null的属性中，这里的情况是模型绑定其不能指定一个null值到UnitsInStock属性中。

28. The character of the eigenvalues of the constraint matrix was aimed, and the character is that the matrix has the same number of larger eigenvalues as number of the nulls that the matrix denoted.

针对约束矩阵具有与其所对应的零陷个数相同数量的大特征值的性质，应用盖氏圆盘定理比较精确地估计一个零陷情况下约束矩阵特征值的界。

29. To work around this problem, select the following columns of the selected table when you add a data form by using the Data Form Wizard: the primary column and a column that does not permit NULLs.

若要解决此问题，请在添加数据窗体时通过使用“数据窗体向导”选择所选表中的以下列：主列和不允许 NULL 的列。

30. To work around this problem, select the following columns of the selected table when you add a data form by using the Data Form Wizard: the primary column and a column that does not permit NULLs.

若要解决此问题，请在添加数据窗体时通过使用“数据窗体向导”选择所选表中的以下列：主列和不允许 NULL 的列。

31.The selected column data type cannot allow nulls.

所选列的数据类型不允许其值为空。

32.Numerical examples show that nulls at any sidelobe positions can be rapidly achieved by MDLS method.

计算实例表明，该方法能够在指定的任意副瓣位置迅速生成深零点。

34.For rows belonging to the table, indicates whether nulls are allowed in this column.

对于属于此表的行，指示此列是否允许包含空值。

35.An identity column or a column used in a primary key, cannot allow nulls.

标识列或主关键字中的列的值不能为空。

36.Allow Nulls property cannot be set on a column that is part of the primary key.

不能在作为主键的一部分的列上设置“允许空”属性。