معنی Steady state approximation, معنی Sفثشیغ سفشفث شححقخزهوشفهخئ, معنی Steady state approximation, معنی اصطلاح Steady state approximation, معادل Steady state approximation, Steady state approximation چی میشه؟, Steady state approximation یعنی چی؟, Steady state approximation synonym, Steady state approximation definition,