Degradation model
退化模型
劣化模型
退化失效模型
老化模型
消解模型
软化模型
stiffness degradation model
Accounts receivables Model of credit management Stereoscopic model
Cobb-Douglas production function model C-D model
Diabetes mellitus rat model Type 2 T2DM model
Variable Infiltration Capacity Model VIC Model
activated sludge organism
anaerobic micro organism