Master replicates require all nodes to access the master node to obtain the dictionary information about tables, columns, and primary keys.

主复制要求所有节点通过访问主节点来获得关于表、列和主键的字典信息。

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The master slice is used to generate the primary identifier for managed instances, whenever required.

这个主片被用来在任何需要的时候为管理实例生成主标识。

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This limitation is due to something called the Master Boot Record which tells the computer which partitions it can boot from, and so primary partitions are usually reserved for operating systems.

这个只跟硬盘有关，跟操作系统是什么没有关系。 主引导记录告诉机器从哪里启动系统，所以一般来说主分区是安装系统的。

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