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。
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。
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。
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