数据库 数据库管理系统及其实现技术 释文 multilevel recovery 多层恢复
- unconstrained system
- uncontinuity
- uncontrollable factor
- uncontrolled fission
- uncontrolled rectifying circuit
- UN Convention against Corruption，UNCAC
- unconventional
- unconventional and conventional
- unconventional clothing design
- unconventional combustion technologies
- unconventional decision making
- unconventional drilling method
- unconventional energy
- unconventional gas
- unconventional luminescent polymer
- unconventionally graceful
- unconventional oil
- unconventional oil and gas
- unconventional oil and gas resource evaluation
- unconventional pairing
- unconventional reservoir seepage
- unconventional superconductivity
- unconventional superconductor
- unconventional two-dimensional electron gas
- unconventional water resources