数据库 数据库管理系统及其实现技术 释文 personal information management, PIM 个人信息管理
- down-conversion
- downconversion
- down-conversion demodulation
- down conversion process
- down-conversion process
- down-crossing
- down-crossing point
- downdraft
- downdraft gasifier
- down draft kiln
- Downes law
- down garment
- downgraded predication
- down grinding
- down hair
- Down Hill
- downhill
- downhill folding
- down-hill method
- downhole bums
- down hole electric heating
- downhole electrodrill
- downhole junk
- downhole motor
- down hole motor drilling