您要查找的是不是：
- S-连通集S - connected set
- 不连通集disconnecting set
- 连通集connected set
- 半连通集semi-connected set
- 合集union
- 连通intercommunication
- 分集diversity
- 集群colony
- 集线器hub (network)
- S-连通空间S- connected space
- 歌集songbook
- 并集union of set
- 群集throng
- 写真集photo album
- 集装packaging
- 集合体aggregation
- 产业集群industry cluster
- 教父第一集The Godfather - 1972
- 杂集miscellany
- 字集character set
