(PP)模型
Propagation (PP) Pattern model
(S-P)BOD-DO水质模型参数率定
determination of parameters of(S-P) BOD-DO water quality model
(复合)更新风险模型
Compound)renewal risk model
’t Hooft砖墙模型
t Hooft’s brick wall model
变化-作用连锁模型
change-action chain model
差分磨损模型
differential” wear rate model
超市模型运营模式
supermarket business model
单耗分析模型
the unit consumption analysis model