1. 进程堆栈应用：spanning-tree 跨越树形拓朴 | stacks 进程堆栈应用 | standby 热支持协议信息

2. 书库：overdue 过期 | pay a fine 罚款 | stacks 书库

3. 就人与项目安排任务：Phonebooth: 电话服务 | Stacks: 就人与项目安排任务 | TextFlow: 简化文档协同工作

6. stacks什么意思

noun

1. storage space in a library consisting of an extensive arrangement of bookshelves where most of the books are stored

2. a large number or amount

e.g. made lots of new friends
she amassed stacks of newspapers

Synonym: tonsdozensheapslotspilesscoresloadsraftsslewswadsoodlesgobsscadslashings