This is needed to edit the condition expressions for the decision elements.

在编辑判决元素的条件表达式时，该操作是必须的。

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Table 2 shows the DOM expressions of locating elements.

表2展示了定位元素的DOM表达式。

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You can populate the form through an instance document, which you reference from XPath expressions on the form elements.

可以通过实例文档填充表单，实例文档是从表单元素上的XPath表达式引用的。

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In order to create any kinds of expressions, we're going to need values. Primitive data elements.

因此下一节课，Python的一些简单介绍，我们需要值或者基础的数据类型l来创建。

麻省理工公开课 - 计算机科学及编程导论课程节选

Adopted in 2003 and ratified by 132 States, the Convention promotes the safeguarding of elements such as oral traditions and expressions, performing arts, social practices, rituals and festive events, knowledge and practices concerning nature and the universe and traditional craftsmanship.

UNESCO: CULTURE

Expressions that represent strong emotions like astonishment or disgust, could emphasize or deemphasize different interactive elements on the TV.

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