软件工程 释文 software as a service, SaaS 软件即服务
- uncovered wooden documents
- UNCSA
- UNCTAD/ICC Rules for Multimodal Transport Documents
- unctuous strangury
- uncus
- uncut book
- uncut lens
- undamped
- undamped electrical oscillation
- undamped natural frequency
- undamped oscillation
- undamped oscillator
- undamped system
- undec-
- undeca-
- undecagon
- undecahedron
- undecaprenol
- undecidability
- undecidability theorem
- undecidable
- undecidable formula
- undecidable problem
- undecidable proposition
- undecidable theory