网络与数据通信 协议体系与组成结构 释文 service data unit, SDU 服务数据单元
- comparative claims
- comparative dictionary
- comparative education
- comparative effectiveness research
- comparative embryology
- comparative ethics
- comparative exhibition
- comparative experiment research
- comparative genomic hybridization，CGH
- comparative genomics
- comparative geography
- Comparative Graphology
- comparative half life
- comparative half-life
- comparative historical analysis
- comparative history
- comparative hydrology
- comparative institutional analysis
- comparative journalism
- comparative jurisprudence
- comparative law and economics
- comparative lexicography
- comparative librarianship
- Comparative Library Science
- comparative literature