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- brachydome
- brachymedial
- brachypinacoid
- brachypodium distachyon
- brachyprism
- brachypyramid
- brachysynclinal
- brachytelescope
- brachytherapy
- brachytherapy afterloading equipment
- brachytherapy room
- bracing structure with double-row piles
- Brack
- bracken fern family
- bracken poisoning
- bracket
- bracket conveyer
- bracketed
- bracketed expression
- bracketing
- bracket of hydro-generator
- bracket operation
- bracket polynomial
- bracket product
- bracket representation of Chinese character structure