数据库 数据库管理系统及其实现技术 释文 integrity constraint 完整性约束
- graded commutativity
- graded completion
- graded complex space
- graded deposit
- graded derivation
- graded dose-response curve
- graded education administration
- graded form
- graded free resolution
- graded group
- graded heterojunction
- graded homomorphism
- graded Hopf algebra
- graded ideal
- graded index
- graded index fiber
- graded index lens
- graded index lens, GRIN
- graded index media
- graded-index media
- =graded index 陡度折射率
- graded junction
- graded lattice
- graded Lie algebra
- graded manifold