Unlike the CD-ROM-based Rosetta, though, Livemocha is a Web-based service.

不像Rosetta是基于光盘驱动器（CD-ROM）的语言学习应用，Livemocha却是一款基于网络的语言学习服务。

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Embedded systems may use a ROM-based operating system or a disk-based system, like a PC.

嵌入式系统可以使用基于ROM的操作系统或基于磁盘的系统，如PC。

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Here are the basic steps to get started with a basic CD-ROM-based installation for the i386 architecture.

此处给出了i386架构中的基本CD - ROM安装步骤。

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