A JFace window is not actually the GUI object for a top-level window (SWT already provides one, called a shell).
JFace窗口实际上不是顶级窗口的GUI对象(SWT已经提供了一个，名为Shell)。
It is a top-level window with a border, title, and optional menu bar. Listing 3 shows the declaration of the calculator's frame.
它是一个顶级窗口，具有边框、标题和可选菜单栏。
For example, when a top-level window is moved completely off-screen or a child object is moved outside the boundaries of the container's viewport.
例如，在顶级窗口完全移动到屏幕之外或者某个子对象移动到容器视区边界外部的时候。
The system calls a WH_SHELL hook procedure when the shell application is about to be activated and when a top-level window is created or destroyed.
当加壳程序即将被激活时、当处在最顶层的窗口被创建或者销毁时，系统会调用WH_SHELL钩子子程。
Methods After gray level window transforming, 15 images of normal livers and 15 images of hepatitis livers were analyzed in their texture parameters, and the results were compared.
方法对15幅正常人肝脏及15幅肝炎患者的肝脏的图像先经窗口灰阶变换后进行纹理参数分析，将其结果与单纯进行纹理分析的结果进行对比。
Methods After gray level window transforming, 15 images of normal livers and 15 images of hepatitis livers were analyzed in their texture parameters, and the results were compared.
方法对15幅正常人肝脏及15幅肝炎患者的肝脏的图像先经窗口灰阶变换后进行纹理参数分析，将其结果与单纯进行纹理分析的结果进行对比。
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