Finally, this combined drag handler is activated for the element by calling install_drag_handler , described in the next two sections.

最后，这个综合拖动处理程序再通过调用install_drag_handler来激活，这将在接下来的两个小节中详细介绍。

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When you select an element in the tree view, the properties view is activated and shows the details of what you have selected.

当您选择树形结构中的某个元素时，它会激活属性视图并显示所选项目的详细信息。

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In the method, at least one active material element is activated intermittently to move the at least one movable surface with respect to the at least one fixed surface.

在所述方法中，间歇地启动至少一个活性材料元件以相对于所述至少一个固定表面移动所述至少一个第二可移动表面。

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