The job of the primary boot loader is to find and load the secondary boot loader (stage 2).

主引导加载程序的工作是查找并加载次引导加载程序(第二阶段)。

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Secondary boot loaders are where the first stage of the boot loader is installed onto a bootable partition.

二级引导加载程序是安装在可引导分区的第一阶段引导加载程序。

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A separate boot loader must then be installed into the MBR and configured to pass control to the secondary boot loader.

必须在mbr上安装单独的引导加载程序，并配置它将控制权转交给二级引导加载程序。

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