3.E(O),F(1)之间的关系 F()=C△=E0M (4.1-2) E(t) dF(t) (41-3) t=0→F(0)=0 1→>∞→F(∞)=E(O)dt=1.0 192519:25 8 3. 之间的关系 (4.1-2) (4.1-3) E t F t ( ), ( ) 0 0 ( ) ( ) t t dN F t E t dt N = =   ( ) ( ) dF t E t dt = t F =  = 0 (0) 0; 0 t F E t dt ( ) ( ) 1.0  →    = = 