df(y())dy (K;-1)2 +y(k) (2-73) dp (K H1=∑yH2(T,P) (2-74) H x: H (T, P) (2-75) (2-76) Tp-TB K.(r(g+1) (7 G(T)=VH+LHL-FHF G(T=H+(1-y (2-78) G(T)) +L-=vCPr LCPl (2-79) △T=d·△T计算 f(T)= (2-80) 1+y(K1-1)( ) ( ) ( ) ( ) d d - k k ( 1) ( ) f K K f = + (2-72) ( ) ( ) ( ) = + − − = − c i 1 2 i k i 2 i k 1 ( 1) ( 1) d d K K z f (2-73) = = c i 1 HV yiHvi(T ,P) (2-74) = = c i 1 HL xiHLi(T ,P) (2-75) D B B T T T T − − = (2-76) ( ) ( ) ( ) ( ) ( ) ( ) K K K 1 ref ref 1 d f T K T K T + = + ( ) G T =VHV + LHL − FHF ( ) ( ) G T =HV + 1− HL − HF (2-77) ( ) ( ) ( ) ( ) ( ) ( ) K (K ) K K K dG T dT G T T = T − +1 (2-78) ( ) ( ) ( ) PV PL V L K K VC LC dT dH L dT dH V dT dG T = + = + (2-79) ︱ (K ) (K) T =T +1 ︱≤ε △T=d·△T 计算 = + − − = c i 1 i i i 1 1 ( 1) ( ) ( K ) K z f T (2-80)