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1·The contract was declared null and void.

合同被宣布无效。《牛津词典》

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

一位女发言人说那个协议已被宣布为无效的。《柯林斯英汉双解大词典》

3·That vector is called a null vector.

那种矢量就叫做”零矢量“。

4·The breakup of the null can be ruled out as the cause of the sinking.

空值的分解可以排除为下沉的原因。

5·For more discussion on this issue, see my article The Null Flag Bug Pattern.

关于这个问题的更多讨论，请参阅我的文章《空标志错误模式》。

6·If the XML parser sees a null character in its input, it throws an exception and stops processing.

如果 XML 分析程序在其输入中看到一个空字符，它就会发出异常并停止处理。

7·You can find more information about the wrapped array style in the article Array Gotcha—Null Array vs. Empty Array.

您在《Array Gotcha—Null Array vs. Empty Array》这篇文章中可以找到更多关于包装排列风格的信息。

8·Several null mutants have been generated.

一些无效变体已经生成。

9·Null pointers everywhere!

空指针到处都有！

10·If doesn't exist or is NULL, return.

如果不存在或者是NULL，就返回。

空

1·If the XML parser sees a null character in its input, it throws an exception and stops processing.

如果 XML 分析程序在其输入中看到一个空字符，它就会发出异常并停止处理。

2·For more discussion on this issue, see my article The Null Flag Bug Pattern.

关于这个问题的更多讨论，请参阅我的文章《空标志错误模式》。

3·Therefore, it is null.

因此，它是空的。

4·Accessing the null pointer is very dangerous, as it might crash your program.

访问空指针是非常危险的，因为它可能使您的程序崩溃。

5·This method will return null if the focus owner is not in the same context as the calling thread.

如果该焦点所有者未和调用线程处于同一个上下文中，那么该方法会返回空。

零

1·That vector is called a null vector.

那种矢量就叫做”零矢量“。

2·It is very important that you have the correct null modem cable with you to set up the debugging environment.

为了设置调试环境，拥有正确的零调制解调器电缆是非常重要的。

3·Several wiring layouts are in use, because the null modem connection is not covered by a standard.

有多种连接方式可供选择，因为标准中并未涵盖零调制解调器连接。

4·If you return a null array, the clients of the code must write extra code to check whether the return value is null (as shown in Listing 13).

如果您返回零数组，该代码的客户端必须编写额外的代码来检查返回值是否为零(如清单13所示)。

5·But when dealing with a collection of data, the distinction between a null array (which returns null) and an empty array (which returns itself) needs closer attention.

但是，当处理数据集合时，零数组(返回零)和空数组(返回其本身)需要密切关注。

无效的

1·Several null mutants have been generated.

一些无效变体已经生成。

2·Otherwise you must retain the null hypothesis.

否则您就必须使用该无效假设。

3·Chen, who used to do search and data mining for Microsoft Asia Research Institute, then ran a statistical analysis and screened all the null accounts among his fans.

随后，曾在微软亚洲研究院从事搜索和数据挖掘研究工作的陈传亮通过统计分析，将粉丝中的那些无效帐号全部屏蔽掉。

4·If that probability is low, then you can reject the null hypothesis that the mean is the best predictor and, correspondingly, gain confidence that a simple linear model offers a good fit for the data.

如果概率很低，那就可以不采用平均值是最佳预测值这一无效假设，并且相应地可以确信简单线性模型是与数据良好吻合的。

5·Sometimes null can be a pretty cool response.

有时，“无效的”会是个相当有个性的回复。

零位

1·The signal generator null sensitivity affects the accuracy and resolution of measurement because the gyro is an integrating device.

因为陀螺是一种积分装置，所以信号发生器的零位灵敏度影响测量精度和测量分辨度。

2·It is ideal for use as a null detector for lowimpedance bridge balancing.

对于低阻抗电桥平衡而言，它是一种十分理想的零位探测器。

(1)null and void无效的

(1)null hypothesis零假设；虚假设；解消假设

(1)null space零空间

(1)null value空值

(1)null pointer空指针

(1)null string空行；空串