数据库 数据库理论 释文 third normal form, 3NF 第三范式
- sea-island fiber
- sea islands management in China
- sea islands structure
- sea-keeping abilities of fishing vessel
- Seal
- seal
- sea-land breeze
- sealant
- sea-launched launch vehicle
- Seal Carving of Cha Meng Xuan
- seal coat
- Seal Cutting
- Seal cutting art dictionary
- sealed auction
- sealed confidential military documents
- sealed fence
- sealed imperial decrees sent by the Grand Council of State
- sealed motor
- sealed radioactive source
- sealed sampling
- sealed source
- sea level
- sea level change
- sea level change/eustasy
- sea-level correction