网络与数据通信 有线网络 释文 data service unit/channel service unit, DSU/CSU 数据服务单元/通道服务单元
- back substitution
- back-substitution
- back-substitution process
- back surface
- backswept
- back-testing
- backthrust
- back titration
- Back to 1942
- back to back
- Back to Back, Face to Face
- Back to Country Life
- Back to Methuselah
- Back to Spring
- Back to The Future
- Back to the Origin of Poetry
- backtracking
- backtracking line search
- Backtracking Organization
- Backtracking Search
- backtracking strategy search
- backup
- backup and recovery
- back-up battery
- back-up boar