网络与数据通信 无线网络 释文 time division duplex-time division multiple access, TDD-TDMA 时分双工多路访问
- undecidable
- undecidable formula
- undecidable problem
- undecidable proposition
- undecidable theory
- undecillion
- undecimal
- undecimal number system
- undecimal system
- undecomposable
- undefinability
- undefined
- undefined concept
- undefined symbol
- undefined technical term
- undefined term
- undeflected
- undeformed
- undegraded
- undegraded neutron
- undelayed neutron
- undemonstrable
- Undeniable Signature
- undepleted flux
- underactuated control