She turned and led us around a partition to a small ring of booths — all of them empty.
她转身领着我们绕过一堵隔墙，走到小小的一圈卡座前——所有的卡座都是空的。
2
Each partition in the ring is replicated, by default, 3 times across the cluster, and the locations for a partition are stored in the mapping maintained by the ring.
环中每个分区在集群中都（默认）有3个副本。 每个分区的地位由环来保护，并存储在映射中。
3
The commutative theorem characterized by an associative ring, presented in document 1 noted by Guo Huaguang is extended to the formation of the left near ring with partition law.