degradev.降格;使屈辱;贬低;退化;降解
degeneratev.退化;堕落adj.堕落的;退化的n.堕落的人
degradationaladj.降级的;免职的
degradation rule降解规律
Degradation test退化试验
degradation data退化数据
degradation loss衰变损耗
degradation rate降解速率
degradation soil退化土壤
Degradation path退化轨迹
degradation mode恶化状态