S=n h,W有=Gh W总=Fs =Fn h,
推导一:η=W有用/W总=Gh/Fn h=G/nF
推导二:W额外=G动h,W有用=W总-W额外
η=W有用/W总=(W总-W额外)/W总=1-W额外/W总=1-G动h,/Fn h=1-G动,/nF
推导三:W总=W有用+W额外=Gh+G动h,
η=W有用/W总=Gh/(Gh+G动h,)=G/(G+G动)=1/(1+G动/G)
S=n h,W有=Gh W总=Fs =Fn h,
推导一:η=W有用/W总=Gh/Fn h=G/nF
推导二:W额外=G动h,W有用=W总-W额外
η=W有用/W总=(W总-W额外)/W总=1-W额外/W总=1-G动h,/Fn h=1-G动,/nF
推导三:W总=W有用+W额外=Gh+G动h,
η=W有用/W总=Gh/(Gh+G动h,)=G/(G+G动)=1/(1+G动/G)