The Overview tab displays a set of related information on one page that was available previously only by switching among multiple tabs. Figure 1 shows the Overview tab for a sample application

Overview 选项卡在一个页面中显示了一组相关信息，而在以前需要在多个选项卡之间进行切换才能显示。

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The zip file contains a Perl script to handle switching operating systems in a general fashion, as well as some sample scripts for switching between Windows and Linux.

这个zip文件包含了一个perl脚本，用来以一种通用的方式处理切换操作系统的问题；还有几个用来在Windows和Linux之间实现切换的示例脚本。

youdao

Instead of merely switching single variables in a file, he says his method changes the entire sample, making as many changes as possible that still allow a browser to recognize the file as HTML.

只需简单的改变文件中的一个变量，我的方法就可以改变整个样本，令到已改变很多的文件仍能被浏览器识别为HTML，他如是说。

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