理论计算机科学 可计算性与计算复杂性 释文 quantifier contraction theorem 量词收缩定理
- oilproof
- oil properties
- oil rape
- oil recovery by electromagnetic heating
- oil recovery strains
- oil refining production process control systems
- oil refining wastewater
- oil reforming
- oil repellent finish
- oil-rich sag
- oil sand body
- oil sand exploitation
- oil sands
- oil saturation
- oil-saving ignition technology
- oil-saving lamp
- oil scraping ring
- oil seal ring
- oilseed rape
- oilseed rape downy mildew
- oilseed rape germplasm resources
- oilseed rape mosaic virus disease
- oilseed rape turnip mosaic virus disease
- oilseed rape white rust
- oil separator