通论 计算机系统类型 释文 personal computer, PC 个人计算机
- background electrolyte (BGE)
- background elimination
- background extinction
- background extinction rate
- background field
- background fluctuation
- background fog
- background galaxy
- background galaxy cluster
- background glow
- backgrounding
- background intensity
- background investigation
- background limited detectivity
- background mass spectrum
- background mathematics
- background mode
- background monitoring
- background music
- background noise
- background-noise level
- background optical and electromagnetic characteristic
- background projection process
- background radiation
- background radiation intensity