首先设置模型参数importnumpyasnpimportpandasaspdimportmathdf=pd.read_excel(r"C:\Users\Admin\Desktop\pet.xlsx")df=df.fillna(0)print(df)WM,WUM,WLM,WDM,b,K,C,FC,F,T,CG,L,CR=120,15,85,20,0.3,0.95,0.14,15,2856,24,0.9,5,0.5#F单位为km^2T单位为hSm,KI,KG,EX,FR1,CI,Q=20,0.2,0.5,1.5,0.4175,0.9,5.6WMM=(1+b)*WMU=F/(3.6*T)SMM=S