However, prior knowledge of data warehousing, ETL (extract-transform-load) technology, and XML will help when reading this article series.

不过，具备数据仓库、ETL(提取-转换-装载)技术和XML知识对理解本系列文章有帮助。

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For the technology to work like a disk, though, the same bits of data will have to pass repeatedly under the reading and writing heads.

然而，要使这一技术像硬盘那样运作，同样位数的数据要不断地穿过读写磁头。

youdao

For the technology to work like a disk, though, the same bits of data will have to pass repeatedly under the reading and writing heads.

然而，要使这一技术像硬盘那样运作，同样位数的数据要不断地穿过读写磁头。

youdao