数据库 数据库管理系统及其实现技术 释文 object-oriented database 面向对象数据库
- frequency number
- frequency of access
- frequency of alternating current
- frequency of an event
- frequency of an oscillation
- frequency of a wave
- frequency of disease occurrence
- frequency offset
- frequency of language constituents
- frequency of occurrence
- frequency of operation
- frequency of samples
- frequency of urinatior
- frequency plane
- frequency plane mask
- frequency-plane mask
- frequency polygon
- frequency pulling
- frequency pulling effect
- frequency pushing
- frequency-rank distribution
- frequency representation
- frequency resolution
- frequency resolved optical gating
- frequency-resolved optical gating