Your verbal guarantee is null and void.

你的口头保证没有法律效力。

Some signal waves may be nulled each other.

一些信号波可能会彼此抵消。

After going down the mountain, the mobile phone quickly changed from null to normal service.

下山后，手机很快就从无信号变回正常服务状态了。

The change in the law makes the previous agreement null and void.

法律变更致使之前的协议失去了约束力

The contract was declared null and void.

合同被宣布无效。

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。

That vector is called a "null vector".

那种矢量就叫做”零矢量“。

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》。

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。