＞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
- space hypoxia tolerance
- space in duality
- space industry
- Space Industry Standardization Technical Committee
- Space Infrared Telescope Facility
- Space Infrared Telescope for Cosmology and Astrophysics
- space instrumentation
- space insurance
- space integral
- space intelligence
- space intelligence products
- space in the frame
- space invariance
- space inversion
- space ionizing injury
- space join
- space L2
- Spacelab
- spacelab
- space laboratory
- space laser communication
- space lattice
- space lattice structure
- space launch site(space launch center)
- space law