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&lt;META NAME=&quot;DESCRIPTION&quot; CONTENT=&quot;Tells how to refine searches by using complex queries&quot;&gt;&lt;/head&gt;<br>
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&lt;h1&gt;&lt;a name=&quot;QueryLanguage&quot;&gt;查询语言&lt;/a&gt;&lt;/h1&gt;<br>
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&lt;p&gt;通过在查询表格中键入单词或短语，然后单击按钮执行查询，就可以在 Web 站点中搜索任意的单词或短语（例如，查询表格示例中的“执行查询”按钮）。本节将介绍以下主题：<br>
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&lt;li&gt;&lt;strong&gt;&lt;a href=../../&quot;#Operators&quot;&gt;逻辑和相近运算符&lt;/a&gt;：&lt;/strong&gt