但是对于更复杂的图像，比如边栏的背景，我们有意地使用比默认显示区域大的图像并适当地进行定位。
However, for more complex images, such as the background for the sidebar, we use images purposely made larger than their default display area and position them appropriately.
除非你重新使用默认的“galacticzoom”桌面背景，这里更新了，一款刚启动的Mac运行雪豹和运行豹外观相同。
Unless you're using the default "galactic zoom" desktop background, which has had a facelift, a freshly booted Mac running Snow Leopard will look identical to one running Leopard.
默认情况下，幻灯片使用的背景色是在相应的主幻灯片中设置的。
By default, the slides use the background color that is set in the corresponding master slides.
默认情况下，幻灯片使用的背景色是在相应的主幻灯片中设置的。
By default, the slides use the background that is set in the corresponding master slides.
默认情况下，控件不支持透明背景色。但是，通过使用构造函数中的。
However, you can allow your control to have a background color that is opaque, transparent, or partially transparent by using the.
屏幕上的时钟可定制，默认情况下当前活动的主题是用来作为背景，其正常的文本字体颜色显示的时间使用。
The Clock screen can be customized, by default the currently active Theme is used as background, and its normal text font color used for showing the time.
本例中的示例样式只是镜像由默认工具栏样式使用的背景渐变，并将其应用于内容显示区域的背景。
In this case, the example style simply mirrors the background gradient used by the default toolbar style, and applies it to the background of the content display area.
本例中的示例样式只是镜像由默认工具栏样式使用的背景渐变，并将其应用于内容显示区域的背景。
In this case, the example style simply mirrors the background gradient used by the default toolbar style, and applies it to the background of the content display area.
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