数据库 数据库管理系统及其实现技术 释文 cost-based query optimization 基于代价的查询优化
- polyseme
- polysemous term
- polysemy
- polysialic acid
- polysialic acid (PSA)
- polysilane
- polysilazane
- polysilicate
- polysilicon
- polysilicone
- polysilicon thin film transistor
- polysiloxane
- polysiloxane-based thermoplastic elastomer
- polysleeve
- polyslip
- polysome
- polysomic inheritance
- polyspast
- polyspectra
- polyspectrum
- polyspermy
- polyspherical coordinate
- polysphygmograph
- polyspory
- polystele