网络与数据通信 有线网络 释文 high level data link control, HDLC 高级数据链路控制
- open source financial information trading platform
- open-source intelligence
- open source software
- open source software of digital library system
- open space
- open space ratio
- open sphere
- open spiral galaxy
- open star
- open star cluster
- open statement form
- open stope mining method
- open string
- open subbase
- open subcomplex
- open subfield
- open subgroup
- open submanifold
- open subscheme
- open subset
- open subspace
- open surface
- open syllable
- open system
- open system architecture