数据库 数据库管理系统及其实现技术 释文 referential integrity 参照完整性
- spin wave resonance
- spin wave resonance, SWR
- spin wave scattering
- spin wave spectroscopy
- spinwave stiffness
- spiny amaranth
- spiny cocklebur
- spiny eels
- spinyhead croaker
- spiny lobster
- spiny naiad
- spiny neurons
- spiny shell
- spiny sowthistle
- spiny tree fern
- spiny whitefly
- spiracle
- spiracle gland
- spiracular atrium
- spiracular gill
- spiracular opening
- spiral
- spiral antenna
- spiral arm
- spiral arms of the galaxy