| 释义 |
null·s 英nʌl美nʌl COCA³¹⁵¹¹¹⁺⁴BNC²³⁶²¹³⁺¹
基本英英搭配近义反义例句例句
adj.无效的⁵;无价值的¹;无效力的¹n.零¹⁴;空⁷⁸vt.使无效¹原型null的三单过去分词nulled现在分词nulling三单nulls
Noun:
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
Adjective:
lacking any legal or binding force;null and void null set零集空集null and void法律无效null sequence零序列null device空设备null detector零值检波器,消尽指示…null representation空白表示法,零表示…null operator零算子null class零类null field空符号组,空字段…null character零字符,空白记号…null reference计 空引用, 空…electrical null电零点null setting调零装置null detection零值指示,检零,零值…null cell零位细胞null method零位法,零点法,衡消…null instrument平衡点测定器…null indicator零位指示器null adjustment零位调整,零核准装置…null string空字符串
近义词 not不nil无nix无zero零zilch无void空的naught无cypher零empty空的hollow空的bare赤裸的cipher密码blank空白的clear清楚的vacuous空的inane愚蠢的binding镶边futile无效的invalid无效的useless无用的inutile无益的foolish愚蠢的aught任何事物untrue不真实的piddling无用的trivial不重要的dissolved溶化的Nada什么也没有…nothing没有什么nugatory无价值的unavailing无益的worthless无价值的valueless无价值的unsound腐烂变质的no-good毫无用处的senseless无感觉的destroyed遭破坏的obliterated废除的immaterial非物质的inexistent不存在的trifling微不足道的extinguished熄灭的unimportant不重要的nonexistent不存在的inoperative不活动的purposeless无目的的goose egg零分zip拉链unsubstantial不实在的inefficacious无效力的unacceptable不能接受的unprofitable没有利润的insignificant无关紧要的null and void法律无效good-for-nothing无用的人inconsequential不合逻辑的ineffectual东西无效的…annihilated动词annihilate…expunged动词expunge的过去…effaced动词efface的过去式…extirpated动词extirpate的…eliminated动词eliminate的…exterminated动词exterminat…Zippo芝宝牌打火机汽油金属打…
形容词36%,名词35%,动词29%
用作形容词Their actions rendered the contractnulland void.他们的行为使合同无效。
The marriage was declarednulland void.婚姻已宣告无效了。用作名词The path must end with anullcharacter.该路经必须以零结尾。
Vomit innullgravity wouldn't be fun.如果在零重力下呕吐了可不是件好笑的事。
Anullreference pointer was passed to the stub.向占位程序传送了空的索引指针。
Primary keys do not allownullvalues.主键不允许空值。 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。 eefocus
Substituting a value for NULLs Use the ISNULL built-in function to substitute a particular value for nulls.
用某个值替代 NULL使用 ISNULL内置函数用某个特定的值替代空值。 kuenglish
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。 dictall
The CWF fields must be padded with SPACES not NULLS.
CWF字段必须带空格（而不是 NULL。 ibm
Adaptive nulls are formed at the pointing interfere direction by appending constrained conditions which are simulated by utilizing Minimum Variance Distortionless Response MVDR algorithm.
利用 MVDR算法在平面阵列上进行了波束形成，并在指定的干扰方向上形成自适应零点。 fabiao
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。 microsoft
Ensure that there are no nulls embedded at the end of the file.
确保文件最后没有嵌入空格。 ibm
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。 bbsmvc
I might want to do more than simply concatenate the values: I might want to check for nulls.
我可能想做很多事情比如检查一些空值，而不仅仅是串联一些值。 ibm
If the column is NULLABLE, any number of NULLs can be inserted in that column.
如果此列可以包含 NULL值，就可以在此列中插入任意数量的 NULL 值。 ibm
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。 ibm
In particular, the final example of translating new line characters to nulls would not work if some file names already contained new line characters.
尤其是在最后一个例子中，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。 ibm
It is one of advanced technologies used in modern radar that control nulls of the beam pattern when array antenna radiates beams.
在天线阵发射波束时进行方向图零点控制是现代雷达采用的先进技术之一。 cnki
RPG uses a1 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。 ibm
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。 ez2learn
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最后访问时间或者创建时间。 ibm
The value for the first key is4 bytes long and it is entirely NULLs.
第一个键的值为4字节且其完全为 NULL。 ibm
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。 cnki
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。 microsoft
Tracking in AE using nulls for multiple track points and exporting a time-re mapped frame for a clean background plate in Photoshop.
在声发射跟踪使用复线点空和出口在 Photoshop干净的背景板的时间重新映射框架。 mayajc
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。 infoq
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。 microsoft |