系统软件 操作系统 释文 disk operating system, DOS 磁盘操作系统
- Fredholm operator
- Fredholm problem
- Fredholm r-th minor
- Fredholm spectrum
- Fredholm theorem
- Fredholm theory
- Fredholm type
- Fred Hoyle
- Fredkin gate
- Fredkin gate, CSWAP gate
- Fred Lawrence Whipple Observatory
- Fredric Jameson
- Fredrick Mbiti Mati
- Fredric Marc
- Fredrik Ljungström
- Fredrikstad
- Fred Schaefer
- Fred Wah
- Fred W. Riggs
- Fred Wudl
- free
- free Abelian group
- free action
- free-air anomaly
- free air carbon dioxide enrichment experiment