，顺序，次序；次 ；阶，级；序模；指令；定货- Brélot-Cartan theorem
- Brélot harmonic space
- Brélot, M.E.
- Brózek, J.
- B-space
- B-spline
- B-spline curve
- B-spline surface
- B-tree
- btt-reducibility
- bubble
- bubble problem
- Bubnov-Galerkin method
- Bubnov, I.G.(Бубнов, И.Г.)
- Buchsbaum, D.A.
- Buchsbaum ring
- Buchsbaum type
- Buck, R.C.
- Bucur, I.
- Bucy, R.S.
- Budan de Boislaurent, F.F.
- Budan-Fourier theorem
- budget set
- buffer
- Buffon experiment