Here is a normal contrast-rays, we can control their own rays to see, where your disease unreasonable.
下面是一张正常的造影光片，大家可以对照自己的光片看看，你的病在哪里不通。
In normal mode, the TAB will be highlighted when active, but if the system is set to high contrast mode, there is no way to identify which TAB page is active.
普通模式下，选项卡活动时会高亮显示，但如果系统设置为高对比模式，则无法确定哪个选项卡页是活动的。
The flip side is that, in contrast to normal page requests, the portal does not provide any default header information for the response; all information must be explicitly set during resource serving.
另一面在于，与普通页面请求相反，门户不为响应提供任何缺省标头信息；所有信息都必须在资源服务过程中显式地进行设置。
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