工学 通信系统 释 broadband integrated service digital network，B-ISDN 宽带综合业务数字网 可支持任意速率的话音、数据、视频等业务的综合业务数字网。
网络与数据通信 协议体系与组成结构 释文 broadband integrated service digital network, BISDN 宽带综合业务数字网
- Dirac Gamma matrices
- Dirac Gamma-matrices
- Dirac gamma-matrix
- Dirac Hamiltonian
- Dirac-Hartree-Fock method
- Dirac-Hartree-Fock method, DHF method
- Dirac holes
- Dirac hole theory
- Dirac hypothesis
- Dirac-Jordan cosmology
- Dirac ladder operators
- Dirac magnetic monopole
- Dirac mass term
- Dirac matrices
- Dirac matrix
- Dirac measure
- Dirac monopole
- Dirac neutrino
- Dirac notation
- Dirac notion
- Dirac operator
- Dirac orthonormality
- Dirac, Paul Adrien Maurice
- Dirac picture
- Dirac point