XPA

As a rule of thumb, if you find yourself wrapping more than three disparate chunks of code in a category, consider making it an expando.

一般说来，如果您发现自己在一个category中包装超过3个根本不同的代码块时，考虑使用expando。

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Unlike mice, humans are not nocturnal, so their XPA levels rise and fall at different times.

不像鼠类那样只在夜间活动，所以人类的XPA含量在不同的时间会有上下起伏的波动。

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XPath operates on the abstract , logical structure of an XML document, rather than its surface syntax.

Xpath对xml文档的操作基于逻辑结构而不是字面语法.

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To get the list of documents without a known number of pages, use the XPath expression// Document [ not ( Pages)]/ Name.

要得到未知页数的文档列表，可使用XPath表达式//Document[not（Pages）]/Name。

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The beginning is the Excalibur EXPA 10 arthitecture, and the following is the ACSS architecture design.

先介绍了在本课题中使用的ExcaliburEXPA10器件的结构, 而后重点介绍了伺服模拟器的结构设计.

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Production and properties of the stereoselective lipase from the screened P . expansum PED-03 ( PEL ) were investigated.

expansumPED-03脂肪酶 ( PEL ) 属于碱性脂肪酶.

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John Seely Brown is director emeritus of Xerox PARC and a visiting scholar at USC.

约翰·斯里·布朗是XeroxPARC的荣誉董事,也是USC的访问学者.

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I chose a generic object to store information when matching an XPath because I do not want to tie the parser to a given application.

我选择通用对象来存储匹配XPath时的信息，是因为不希望将解析器局限于给定的应用程序。

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XPath, as is the case with most XML specifications that are fairly modern and current, is namespace aware.

正如大多数现代的和目前的XML规范所描述的，XPath是名称空间感知的。

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The at sign (@) is borrowed from XPath, but the result is the illusion that you are working with the attribute directly as opposed to calling the attribute() method.

@符号是从XPath借过来的，但其结果是，您感觉像是在直接操作属性（与调用attribute（）方法相反）。

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