:ѹG(ʱЧ)

ʽ:
RockPressureGFun(t,Tp,a,b)
RockPressureGFun(t,Tp)

t:ѹĸʱֵ,еһԪΪѹĳʼʱֵ
Tp:ѹǰעˮʱ
a:ʧʱʧռȨ,ĬΪ1
b:ʧʱʧռȨ,ĬΪ0

˵:귵غtȴСG.ֵѹ,պѹȷȷ