每一份套件均包含了完整的麻省理工开放式课程网站的复制及与一个装有实用工具程序与教材的外接式硬碟。

Each package includes a complete copy of the MIT OCW site as well as supplementary tools and materials provided on an external hard drive.

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如果你想回来了大量的数据，很容易和毫不费力地，其中一个最好的电脑配件，以帮助你达到这个任务，是一个外接式硬碟。

If you would like to back up lots of data easily and effortlessly, one of the best computer accessories to help you achieve this task is an external hard drive.

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