机读格式显示(MARC)
- 000 00558nam0 2200205 450
- 245 __ |a Ridai Data Transmission System |b 理代数据传输系统 |c Compiled by the editorial board of this book
- 260 __ |a beijing |b foreign language press |c 2000
- 300 __ |a 1 pages |c 28 cm
- 700 __ |a Compiled by the editorial board of this book