Notice that each node in the tree includes a check box that controls the enabling state of the element.

请注意：树中的每一个节点都包括一个复选框，它负责控制该元素的使动状态。

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The check box before each node in the tree controls the enabling state of the element.

树中每个节点前的复选框控制元素的启用状态。

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A list of locations is retrieved from the location Data Service, and this list is then iterated through, and a check box is rendered for each state.

从Location Data Service检索得到一个地点列表，然后迭代此列表，并为每个州呈现一个复选框。

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