理论计算机科学 算法设计与分析 释文 performance ratio of an approximation algorithm 近似算法的性能比
- biological productivity
- biological pump
- biological purification
- biological purification for waste gas
- biological purification of water body
- biological radiosensitivity
- biological reclamation of mine land
- biological redox standard state
- biological reference materials
- biological regionalism
- biological regulation networks
- biological regulation theory
- biological residue in fishery organisms
- biological residue monitoring
- Biological Resource Center of Institute Pasteur
- biological resources in China
- biological response modifiers
- biological rhythm
- biological rhythm alteration induced by space radiation
- biological rhythms
- biological risk analysis for aquatic animal health
- biological robot / bio-robot / robo-animal / cyborg
- biological sample storage technology
- biological sand fixation
- biological screening technology