纯二进制记数系统中的基数补码。
另一方面，很多服务均使用通用接口构建：一个字符串传入，另一个字符串传出，或者交换纯二进制对象。
On the other hand, many services are built with a somewhat generic interface: one string goes in and one string comes out, or plain binary objects are exchanged.
您确实可以打开套接字，可以使Ajax应用程序使用它们，但Ajax应用程序仍然无法处理纯二进制数据。
Yes, you can now open a socket, and, yes, you can now make Ajax applications use them, but Ajax applications still cannot deal with pure binary data.
在这个具体的例子中，我们使用JSON，但是你可以使用任何其它格式。如XML或者甚至是一种完全自定义的格式。即使纯二进制消息可以使用，但那将会在另一个教程提到。
In this concrete example we used JSON but you may use any other format like XML or even a completely custom format. Even pure binary messages may be used but that will be covered in another tutorial.
消息的XML表示是纯文本文件，因此它通常比其他格式(如分隔符、二进制或定制格式)的等价表示要大得多。
The XML representation of a message is a plain text file, so it is generally much larger than an equivalent representation in another format (such as delimited, binary, or custom formats).
如果您真正关心空间的效率，那么压缩纯文本通常要比二进制数据格式要好，并且更容易读取。
If you're really concerned about space efficiency, compressed plain text will often outperform binary data formats and be much easier to read.
二进制对象、页面图形表示、重新组织的标记块等等，所有这一切都比纯文本文件通过网络传递要更困难。
Binary objects, graphical representations of the page, a re-organized chunk of markup... all of these are harder to send across the network than plain text files.
索引引擎，它负责在统计层面上分析纯文本(由二进制文档派生而来)，然后计算令牌的列表，按使用频率排序。
An indexing engine, which is responsible to statistically analyze the plain text (derived from the binary document) and compute a list of tokens, sorted by frequency.
RCS只能够处理纯文本文件，如果您需要为二进制文件保存较早的版本，可以使用其他功能更加强大的工具，如Subversion（请参见参考资料部分）。
RCS only works well with plain text files; if you need to keep older versions of binary files, look into something more powerful, such as Subversion (see Resources).
由shell执行，然后传递给内核，这个过程通常比编译为纯机器码的二进制程序慢。
Is executed by the shell, then passed to the kernel, which is typically slower than a compiled binary program that is pure machine code.
实际上，这两种技术都提供了二进制t cp套接字的一种变体，称为XMLSocket，它可用于来回传输纯xML数据。
Well, it turns out that both of these technologies do offer a variant of the binary TCP socket called XMLSocket, which can be used to transfer pure XML data back and forth.
实际上，这两种技术都提供了二进制t cp套接字的一种变体，称为XMLSocket，它可用于来回传输纯xML数据。
Well, it turns out that both of these technologies do offer a variant of the binary TCP socket called XMLSocket, which can be used to transfer pure XML data back and forth.
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