At upper flow regime, the total stream power gradually deviate the effective stream power from movable plane bed to existence of sand wave.
在高能态区，从动平整床面到沙浪的出现，总水流功率又逐渐背离有效水流功率。
2
If a payoff stream depends on both a fundamental and possible interventions of an authority, the asset pricing problem is usually characterized by regime switching models.