Some elements will be wrapped inside a parent element-that is, an element that fully contains another element.

有些元素被打包到父元素中—就是说，一个元素完全包含另外一个元素。

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It's based on the fact that events bubble up and can be handled by a parent element.

它基于这样一个事实：事件逐层冒泡总能被父元素捕获。

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For example, dependency properties often have default values or values that are provided by a parent element.

例如，依赖项属性通常具有默认值或具有由父元素提供的值。

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For example, dependency properties often have default values or values that are provided by a parent element.

例如，依赖项属性通常具有默认值或具有由父元素提供的值。

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