WFrame: Contains files that define the borders and title bar for widgets.
W frame：包含定义小部件边界和标题栏的文件。
For information about how to define the action bar background, read Styling the action bar.
有关如何定义操作栏的背景资料之一，阅读样式化的操作栏。
However, to define the fixed location and the main technical parameters of the stay bar is still difficult.
然而，气动撑杆固定支点位置的确定和主要技术参数的选择一直是设计的难点。
If the dialog box is used to define the properties of an object, the title bar should contain the name or description of that object.
如果对话框用来定义某个对象的属性，那么其标题就应该包含该对象的名字或者描述。
Visually define the time you want to cut at by using slider bar.
视觉界定的时间您要削减在用滑杆。
Visually define the time you want to cut at by using slider bar.
视觉界定的时间您要削减在用滑杆。
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