cyclic index的用法和样例：
例句
- It also implements the full-text catalogs as inverted index structures on disk.
它还会在磁盘上以倒排索引结构的形式实现全文目录。 - In the inverted index structure, the posting list of each term is partitioned into linked blocks, whose sizes form an arithmetical series.
在建立倒排索引时，每个词项的记录表以链接块的形式存放于倒排索引文件中，每次新分配的块大小递增。
