＞数理逻辑与数学基础＞递归论＞释义 arithmetical hierarchy 算术分层 arithmetical hierarchy 算术分层†，算术谱系
理论计算机科学 可计算性与计算复杂性 释文 arithmetical hierarchy 算术层谱
- identification program of crude drug
- identification sign
- identification space
- identification system
- identification technique of composition and structure
- identification technological system
- identification technology
- identification tests of biological products
- identification topology
- identification via channel
- identified
- identified asteroid
- identified boundaries
- identified colon
- identified flying object
- identified infrared source
- identified moving object
- identified point
- identified radio source
- identified satellite
- Identified-subeconomic Resources
- identified ultraviolet source
- identified X-ray source
- identified γ-ray source
- identifier