当一个引导管理器获得控制权时，它能做的一件事就是加载另一个引导管理器。

When a boot manager gets control, one thing that it can load is another boot manager.

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这很可能出现在没有LBA支持的BIOS中或者某些旧版本的引导管理器中。

This is most likely to occur in a BIOS that does not have LBA support, or some older boot managers.

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不像一台典型的个人电脑使用GRUB系统引导管理器显示双启动选项那样，IntelMac需要安装一些插件比如‘rEFIt'。

Unlike a typical PC where the GRUB boot-loader is used to present your dual-boot options, Intel Mac users need to install something extra: ‘rEFIt’.

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这种现象称为链式加载(chain loading)，通常发生在位于主引导记录(MBR)中的引导管理器加载一个分区引导记录中的启动加载程序的时候。

This is called chain loading, and it most frequently occurs when the boot manager that is located in the master boot record (MBR) loads the boot loader that is in a partition boot record.

youdao

这种现象称为链式加载(chain loading)，通常发生在位于主引导记录(MBR)中的引导管理器加载一个分区引导记录中的启动加载程序的时候。

This is called chain loading, and it most frequently occurs when the boot manager that is located in the master boot record (MBR) loads the boot loader that is in a partition boot record.

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