正如前面提到的，插件扩展了即时消息传递客户机，它会根据初始化文件中的正则表达式，分析消息并寻找特定的关键词。
Remember that the instant messaging client was extended to analyze and scan the messages for particular key phrases, as specified through a regular expression in the initialization file.
这两个元素可以很容易地定义为插件xml文件中的Eclipse核心表达式。
These two elements are easy to define as Eclipse core expressions in the plug-in xml file.
为mvel、ognl或者jruby等增加新的表达式计算插件也是非常容易的。
It's also very easy to plug in new expression evaluators for things like mvel, ognl, or jruby.
从最初的设计阶段开始，MathML的主要目标就是支持数学表达式作为文本而不是图像或含混的插件使用在web页面中，以允许搜索、调整文本大小，等等。
A major aim of MathML from its first design phase has been to enable mathematics to be used in Web pages as text, not as images or opaque plugins, to allow searching, the resizing of text, and so on.
从最初的设计阶段开始，MathML的主要目标就是支持数学表达式作为文本而不是图像或含混的插件使用在web页面中，以允许搜索、调整文本大小，等等。
A major aim of MathML from its first design phase has been to enable mathematics to be used in Web pages as text, not as images or opaque plugins, to allow searching, the resizing of text, and so on.
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