degradation ①变质，退化 ②降级
计算机硬件 计算机管理 释文 degradation 降级
- Ratner
- ratoon banana
- ratoon cutter
- ratooning rice
- RATRP
- RATS sequence
- RATS序列
- rattan
- rattan furniture
- rattan harvesting machine
- rattan net bridge of Lhoba nationality
- rattan properties
- rattles
- rattlesnakes
- rattle stick
- rattle stick dance
- Rattus flavipectus
- rat-vector-pathogen system
- raubasine
- Rauch comparison theorem
- Rauf Parfi
- raumparasitism
- R-automorphism
- rauvite
- rauwolfia alkaloid