光学、声学 光学 repeater 中继器
repeater 中继器，重发器
网络与数据通信 协议体系与组成结构 释文 repeater 中继器
- Booleans
- Boolean search
- Boolean semigroup
- Boolean simulation
- Boolean space
- Boolean sum
- Boolean summation formula
- Boolean term
- Boolean valued model
- Boolean-valued model
- Boolean-valued set theory
- Boolean variable
- Boole crater
- boom
- Boomerang Nebula
- Boomerang telescope
- boominess
- boom-mounted microphone
- boom operator
- boom sprayer
- boom-supported working platforms
- Boone
- Boone Library
- Boone Library School
- Boone Library School Quarterly